Finding the Third Proportional to 131,657 and 279,002

Step by Step Solution

1. Step 1: Write the proportion equation
   131,657 : 279,002 = 279,002 : x
2. Step 2: Convert to fraction form
   131,657/279,002 = 279,002/x
3. Step 3: Cross multiply
   131,657x = 279,002 × 279,002
4. Step 4: Simplify right side
   131,657x = 77,842,116,004
5. Step 5: Solve for x
   x = 77,842,116,004/131,657
6. Step 6: Final answer
   x = 591,249.35