Finding the Third Proportional to 71,916 and 156,380.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,916 : 156,380.25 = 156,380.25 : x
2. Step 2: Convert to fraction form
   71,916/156,380.25 = 156,380.25/x
3. Step 3: Cross multiply
   71,916x = 156,380.25 × 156,380.25
4. Step 4: Simplify right side
   71,916x = 24,454,782,590.06
5. Step 5: Solve for x
   x = 24,454,782,590.06/71,916
6. Step 6: Final answer
   x = 340,046.48