Finding the Third Proportional to 72,641 and 156,748

Step by Step Solution

1. Step 1: Write the proportion equation
   72,641 : 156,748 = 156,748 : x
2. Step 2: Convert to fraction form
   72,641/156,748 = 156,748/x
3. Step 3: Cross multiply
   72,641x = 156,748 × 156,748
4. Step 4: Simplify right side
   72,641x = 24,569,935,504
5. Step 5: Solve for x
   x = 24,569,935,504/72,641
6. Step 6: Final answer
   x = 338,237.85