Finding the Third Proportional to 71,812 and 156,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,812 : 156,256.50 = 156,256.50 : x
2. Step 2: Convert to fraction form
   71,812/156,256.50 = 156,256.50/x
3. Step 3: Cross multiply
   71,812x = 156,256.50 × 156,256.50
4. Step 4: Simplify right side
   71,812x = 24,416,093,792.25
5. Step 5: Solve for x
   x = 24,416,093,792.25/71,812
6. Step 6: Final answer
   x = 340,000.19