Finding the Third Proportional to 31,490,904 and 47,072,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,490,904 : 47,072,411.50 = 47,072,411.50 : x
2. Step 2: Convert to fraction form
   31,490,904/47,072,411.50 = 47,072,411.50/x
3. Step 3: Cross multiply
   31,490,904x = 47,072,411.50 × 47,072,411.50
4. Step 4: Simplify right side
   31,490,904x = 2,215,811,924,425,332.25
5. Step 5: Solve for x
   x = 2,215,811,924,425,332.25/31,490,904
6. Step 6: Final answer
   x = 70,363,554.01