Finding the Third Proportional to 156,543 and 335,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   156,543 : 335,222.25 = 335,222.25 : x
2. Step 2: Convert to fraction form
   156,543/335,222.25 = 335,222.25/x
3. Step 3: Cross multiply
   156,543x = 335,222.25 × 335,222.25
4. Step 4: Simplify right side
   156,543x = 112,373,956,895.06
5. Step 5: Solve for x
   x = 112,373,956,895.06/156,543
6. Step 6: Final answer
   x = 717,847.22