Finding the Third Proportional to 74,261.81 and 98,989.59

Step by Step Solution

1. Step 1: Write the proportion equation
   74,261.81 : 98,989.59 = 98,989.59 : x
2. Step 2: Convert to fraction form
   74,261.81/98,989.59 = 98,989.59/x
3. Step 3: Cross multiply
   74,261.81x = 98,989.59 × 98,989.59
4. Step 4: Simplify right side
   74,261.81x = 9,798,939,670.79
5. Step 5: Solve for x
   x = 9,798,939,670.79/74,261.81
6. Step 6: Final answer
   x = 131,951.26