Finding the Third Proportional to 2,538,201,515,118 and 5,575,039,555,710

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,201,515,118 : 5,575,039,555,710 = 5,575,039,555,710 : x
2. Step 2: Convert to fraction form
   2,538,201,515,118/5,575,039,555,710 = 5,575,039,555,710/x
3. Step 3: Cross multiply
   2,538,201,515,118x = 5,575,039,555,710 × 5,575,039,555,710
4. Step 4: Simplify right side
   2,538,201,515,118x = 31,081,066,047,731,152,283,762,688
5. Step 5: Solve for x
   x = 31,081,066,047,731,152,283,762,688/2,538,201,515,118
6. Step 6: Final answer
   x = 12,245,310,651,107.31