Finding the Third Proportional to 31,456.50 and 45,887.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.50 : 45,887.25 = 45,887.25 : x
2. Step 2: Convert to fraction form
   31,456.50/45,887.25 = 45,887.25/x
3. Step 3: Cross multiply
   31,456.50x = 45,887.25 × 45,887.25
4. Step 4: Simplify right side
   31,456.50x = 2,105,639,712.56
5. Step 5: Solve for x
   x = 2,105,639,712.56/31,456.50
6. Step 6: Final answer
   x = 66,938.14