Finding the Third Proportional to 31,900.50 and 45,663.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900.50 : 45,663.75 = 45,663.75 : x
2. Step 2: Convert to fraction form
   31,900.50/45,663.75 = 45,663.75/x
3. Step 3: Cross multiply
   31,900.50x = 45,663.75 × 45,663.75
4. Step 4: Simplify right side
   31,900.50x = 2,085,178,064.06
5. Step 5: Solve for x
   x = 2,085,178,064.06/31,900.50
6. Step 6: Final answer
   x = 65,365.06