Finding the Third Proportional to 66,348 and 98,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,348 : 98,581.50 = 98,581.50 : x
2. Step 2: Convert to fraction form
   66,348/98,581.50 = 98,581.50/x
3. Step 3: Cross multiply
   66,348x = 98,581.50 × 98,581.50
4. Step 4: Simplify right side
   66,348x = 9,718,312,142.25
5. Step 5: Solve for x
   x = 9,718,312,142.25/66,348
6. Step 6: Final answer
   x = 146,474.83