Finding the Third Proportional to 72,624 and 156,719

Step by Step Solution

1. Step 1: Write the proportion equation
   72,624 : 156,719 = 156,719 : x
2. Step 2: Convert to fraction form
   72,624/156,719 = 156,719/x
3. Step 3: Cross multiply
   72,624x = 156,719 × 156,719
4. Step 4: Simplify right side
   72,624x = 24,560,844,961
5. Step 5: Solve for x
   x = 24,560,844,961/72,624
6. Step 6: Final answer
   x = 338,191.85