Finding the Third Proportional to 8,615,126 and 13,338,111

Step by Step Solution

1. Step 1: Write the proportion equation
   8,615,126 : 13,338,111 = 13,338,111 : x
2. Step 2: Convert to fraction form
   8,615,126/13,338,111 = 13,338,111/x
3. Step 3: Cross multiply
   8,615,126x = 13,338,111 × 13,338,111
4. Step 4: Simplify right side
   8,615,126x = 177,905,205,048,321
5. Step 5: Solve for x
   x = 177,905,205,048,321/8,615,126
6. Step 6: Final answer
   x = 20,650,331.18