Finding the Third Proportional to 31,854,460.50 and 49,189,905

Step by Step Solution

1. Step 1: Write the proportion equation
   31,854,460.50 : 49,189,905 = 49,189,905 : x
2. Step 2: Convert to fraction form
   31,854,460.50/49,189,905 = 49,189,905/x
3. Step 3: Cross multiply
   31,854,460.50x = 49,189,905 × 49,189,905
4. Step 4: Simplify right side
   31,854,460.50x = 2,419,646,753,909,025
5. Step 5: Solve for x
   x = 2,419,646,753,909,025/31,854,460.50
6. Step 6: Final answer
   x = 75,959,432.87