Finding the Third Proportional to 156,680 and 235,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,680 : 235,367.50 = 235,367.50 : x
2. Step 2: Convert to fraction form
   156,680/235,367.50 = 235,367.50/x
3. Step 3: Cross multiply
   156,680x = 235,367.50 × 235,367.50
4. Step 4: Simplify right side
   156,680x = 55,397,860,056.25
5. Step 5: Solve for x
   x = 55,397,860,056.25/156,680
6. Step 6: Final answer
   x = 353,573.27