Finding the Third Proportional to 72,807 and 156,791

Step by Step Solution

1. Step 1: Write the proportion equation
   72,807 : 156,791 = 156,791 : x
2. Step 2: Convert to fraction form
   72,807/156,791 = 156,791/x
3. Step 3: Cross multiply
   72,807x = 156,791 × 156,791
4. Step 4: Simplify right side
   72,807x = 24,583,417,681
5. Step 5: Solve for x
   x = 24,583,417,681/72,807
6. Step 6: Final answer
   x = 337,651.84