Finding the Third Proportional to 71,839 and 156,112.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,839 : 156,112.88 = 156,112.88 : x
2. Step 2: Convert to fraction form
   71,839/156,112.88 = 156,112.88/x
3. Step 3: Cross multiply
   71,839x = 156,112.88 × 156,112.88
4. Step 4: Simplify right side
   71,839x = 24,371,229,740.77
5. Step 5: Solve for x
   x = 24,371,229,740.77/71,839
6. Step 6: Final answer
   x = 339,247.90