Finding the Third Proportional to 67,561.31 and 156,386.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,561.31 : 156,386.25 = 156,386.25 : x
2. Step 2: Convert to fraction form
   67,561.31/156,386.25 = 156,386.25/x
3. Step 3: Cross multiply
   67,561.31x = 156,386.25 × 156,386.25
4. Step 4: Simplify right side
   67,561.31x = 24,456,659,189.06
5. Step 5: Solve for x
   x = 24,456,659,189.06/67,561.31
6. Step 6: Final answer
   x = 361,992.07