Finding the Third Proportional to 156,726 and 343,487.25

Step by Step Solution

1. Step 1: Write the proportion equation
   156,726 : 343,487.25 = 343,487.25 : x
2. Step 2: Convert to fraction form
   156,726/343,487.25 = 343,487.25/x
3. Step 3: Cross multiply
   156,726x = 343,487.25 × 343,487.25
4. Step 4: Simplify right side
   156,726x = 117,983,490,912.56
5. Step 5: Solve for x
   x = 117,983,490,912.56/156,726
6. Step 6: Final answer
   x = 752,801.01