Finding the Third Proportional to 72,301 and 156,669

Step by Step Solution

1. Step 1: Write the proportion equation
   72,301 : 156,669 = 156,669 : x
2. Step 2: Convert to fraction form
   72,301/156,669 = 156,669/x
3. Step 3: Cross multiply
   72,301x = 156,669 × 156,669
4. Step 4: Simplify right side
   72,301x = 24,545,175,561
5. Step 5: Solve for x
   x = 24,545,175,561/72,301
6. Step 6: Final answer
   x = 339,485.98