Finding the Third Proportional to 21,228,061.25 and 46,430,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,228,061.25 : 46,430,816.50 = 46,430,816.50 : x
2. Step 2: Convert to fraction form
   21,228,061.25/46,430,816.50 = 46,430,816.50/x
3. Step 3: Cross multiply
   21,228,061.25x = 46,430,816.50 × 46,430,816.50
4. Step 4: Simplify right side
   21,228,061.25x = 2,155,820,720,856,672.25
5. Step 5: Solve for x
   x = 2,155,820,720,856,672.25/21,228,061.25
6. Step 6: Final answer
   x = 101,555,233.68