Finding the Third Proportional to 131,506 and 287,614

Step by Step Solution

1. Step 1: Write the proportion equation
   131,506 : 287,614 = 287,614 : x
2. Step 2: Convert to fraction form
   131,506/287,614 = 287,614/x
3. Step 3: Cross multiply
   131,506x = 287,614 × 287,614
4. Step 4: Simplify right side
   131,506x = 82,721,812,996
5. Step 5: Solve for x
   x = 82,721,812,996/131,506
6. Step 6: Final answer
   x = 629,034.52