Finding the Third Proportional to 72,956 and 156,810

Step by Step Solution

1. Step 1: Write the proportion equation
   72,956 : 156,810 = 156,810 : x
2. Step 2: Convert to fraction form
   72,956/156,810 = 156,810/x
3. Step 3: Cross multiply
   72,956x = 156,810 × 156,810
4. Step 4: Simplify right side
   72,956x = 24,589,376,100
5. Step 5: Solve for x
   x = 24,589,376,100/72,956
6. Step 6: Final answer
   x = 337,043.92