Finding the Third Proportional to 10,200,972.50 and 21,553,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200,972.50 : 21,553,312.50 = 21,553,312.50 : x
2. Step 2: Convert to fraction form
   10,200,972.50/21,553,312.50 = 21,553,312.50/x
3. Step 3: Cross multiply
   10,200,972.50x = 21,553,312.50 × 21,553,312.50
4. Step 4: Simplify right side
   10,200,972.50x = 464,545,279,722,656.25
5. Step 5: Solve for x
   x = 464,545,279,722,656.25/10,200,972.50
6. Step 6: Final answer
   x = 45,539,313.01