Finding the Third Proportional to 69,877.88 and 98,782.13

Step by Step Solution

1. Step 1: Write the proportion equation
   69,877.88 : 98,782.13 = 98,782.13 : x
2. Step 2: Convert to fraction form
   69,877.88/98,782.13 = 98,782.13/x
3. Step 3: Cross multiply
   69,877.88x = 98,782.13 × 98,782.13
4. Step 4: Simplify right side
   69,877.88x = 9,757,908,219.52
5. Step 5: Solve for x
   x = 9,757,908,219.52/69,877.88
6. Step 6: Final answer
   x = 139,642.31