Finding the Third Proportional to 71,619 and 156,076

Step by Step Solution

1. Step 1: Write the proportion equation
   71,619 : 156,076 = 156,076 : x
2. Step 2: Convert to fraction form
   71,619/156,076 = 156,076/x
3. Step 3: Cross multiply
   71,619x = 156,076 × 156,076
4. Step 4: Simplify right side
   71,619x = 24,359,717,776
5. Step 5: Solve for x
   x = 24,359,717,776/71,619
6. Step 6: Final answer
   x = 340,129.26