Finding the Third Proportional to 67,557.80 and 98,551.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,557.80 : 98,551.69 = 98,551.69 : x
2. Step 2: Convert to fraction form
   67,557.80/98,551.69 = 98,551.69/x
3. Step 3: Cross multiply
   67,557.80x = 98,551.69 × 98,551.69
4. Step 4: Simplify right side
   67,557.80x = 9,712,435,109.10
5. Step 5: Solve for x
   x = 9,712,435,109.10/67,557.80
6. Step 6: Final answer
   x = 143,764.83