Finding the Third Proportional to 69,865.88 and 98,764.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,865.88 : 98,764.31 = 98,764.31 : x
2. Step 2: Convert to fraction form
   69,865.88/98,764.31 = 98,764.31/x
3. Step 3: Cross multiply
   69,865.88x = 98,764.31 × 98,764.31
4. Step 4: Simplify right side
   69,865.88x = 9,754,389,423.60
5. Step 5: Solve for x
   x = 9,754,389,423.60/69,865.88
6. Step 6: Final answer
   x = 139,615.93