Finding the Third Proportional to 130,762 and 279,506

Step by Step Solution

1. Step 1: Write the proportion equation
   130,762 : 279,506 = 279,506 : x
2. Step 2: Convert to fraction form
   130,762/279,506 = 279,506/x
3. Step 3: Cross multiply
   130,762x = 279,506 × 279,506
4. Step 4: Simplify right side
   130,762x = 78,123,604,036
5. Step 5: Solve for x
   x = 78,123,604,036/130,762
6. Step 6: Final answer
   x = 597,448.83