Finding the Third Proportional to 130,662 and 286,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,662 : 286,231.50 = 286,231.50 : x
2. Step 2: Convert to fraction form
   130,662/286,231.50 = 286,231.50/x
3. Step 3: Cross multiply
   130,662x = 286,231.50 × 286,231.50
4. Step 4: Simplify right side
   130,662x = 81,928,471,592.25
5. Step 5: Solve for x
   x = 81,928,471,592.25/130,662
6. Step 6: Final answer
   x = 627,026.00