Finding the Third Proportional to 2,103,238,321.50 and 4,555,494,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,238,321.50 : 4,555,494,972 = 4,555,494,972 : x
2. Step 2: Convert to fraction form
   2,103,238,321.50/4,555,494,972 = 4,555,494,972/x
3. Step 3: Cross multiply
   2,103,238,321.50x = 4,555,494,972 × 4,555,494,972
4. Step 4: Simplify right side
   2,103,238,321.50x = 20,752,534,439,917,281,280
5. Step 5: Solve for x
   x = 20,752,534,439,917,281,280/2,103,238,321.50
6. Step 6: Final answer
   x = 9,866,943,858.80