Finding the Third Proportional to 156,733.50 and 343,512

Step by Step Solution

1. Step 1: Write the proportion equation
   156,733.50 : 343,512 = 343,512 : x
2. Step 2: Convert to fraction form
   156,733.50/343,512 = 343,512/x
3. Step 3: Cross multiply
   156,733.50x = 343,512 × 343,512
4. Step 4: Simplify right side
   156,733.50x = 118,000,494,144
5. Step 5: Solve for x
   x = 118,000,494,144/156,733.50
6. Step 6: Final answer
   x = 752,873.47