Finding the Third Proportional to 66,607.50 and 98,896.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,607.50 : 98,896.50 = 98,896.50 : x
2. Step 2: Convert to fraction form
   66,607.50/98,896.50 = 98,896.50/x
3. Step 3: Cross multiply
   66,607.50x = 98,896.50 × 98,896.50
4. Step 4: Simplify right side
   66,607.50x = 9,780,517,712.25
5. Step 5: Solve for x
   x = 9,780,517,712.25/66,607.50
6. Step 6: Final answer
   x = 146,838.08