Finding the Third Proportional to 131,295.50 and 286,354

Step by Step Solution

1. Step 1: Write the proportion equation
   131,295.50 : 286,354 = 286,354 : x
2. Step 2: Convert to fraction form
   131,295.50/286,354 = 286,354/x
3. Step 3: Cross multiply
   131,295.50x = 286,354 × 286,354
4. Step 4: Simplify right side
   131,295.50x = 81,998,613,316
5. Step 5: Solve for x
   x = 81,998,613,316/131,295.50
6. Step 6: Final answer
   x = 624,534.83