Finding the Third Proportional to 131,472 and 285,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472 : 285,301.50 = 285,301.50 : x
2. Step 2: Convert to fraction form
   131,472/285,301.50 = 285,301.50/x
3. Step 3: Cross multiply
   131,472x = 285,301.50 × 285,301.50
4. Step 4: Simplify right side
   131,472x = 81,396,945,902.25
5. Step 5: Solve for x
   x = 81,396,945,902.25/131,472
6. Step 6: Final answer
   x = 619,120.01