Finding the Third Proportional to 69,870.94 and 98,771.91

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.94 : 98,771.91 = 98,771.91 : x
2. Step 2: Convert to fraction form
   69,870.94/98,771.91 = 98,771.91/x
3. Step 3: Cross multiply
   69,870.94x = 98,771.91 × 98,771.91
4. Step 4: Simplify right side
   69,870.94x = 9,755,889,464.26
5. Step 5: Solve for x
   x = 9,755,889,464.26/69,870.94
6. Step 6: Final answer
   x = 139,627.29