Finding the Third Proportional to 9,971,902.50 and 21,433,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971,902.50 : 21,433,471.50 = 21,433,471.50 : x
2. Step 2: Convert to fraction form
   9,971,902.50/21,433,471.50 = 21,433,471.50/x
3. Step 3: Cross multiply
   9,971,902.50x = 21,433,471.50 × 21,433,471.50
4. Step 4: Simplify right side
   9,971,902.50x = 459,393,700,541,312.25
5. Step 5: Solve for x
   x = 459,393,700,541,312.25/9,971,902.50
6. Step 6: Final answer
   x = 46,068,811.90