Finding the Third Proportional to 66,809.81 and 98,232.75

Step by Step Solution

1. Step 1: Write the proportion equation
   66,809.81 : 98,232.75 = 98,232.75 : x
2. Step 2: Convert to fraction form
   66,809.81/98,232.75 = 98,232.75/x
3. Step 3: Cross multiply
   66,809.81x = 98,232.75 × 98,232.75
4. Step 4: Simplify right side
   66,809.81x = 9,649,673,172.56
5. Step 5: Solve for x
   x = 9,649,673,172.56/66,809.81
6. Step 6: Final answer
   x = 144,434.97