Finding the Third Proportional to 66,156.75 and 98,551.69

Step by Step Solution

1. Step 1: Write the proportion equation
   66,156.75 : 98,551.69 = 98,551.69 : x
2. Step 2: Convert to fraction form
   66,156.75/98,551.69 = 98,551.69/x
3. Step 3: Cross multiply
   66,156.75x = 98,551.69 × 98,551.69
4. Step 4: Simplify right side
   66,156.75x = 9,712,435,109.10
5. Step 5: Solve for x
   x = 9,712,435,109.10/66,156.75
6. Step 6: Final answer
   x = 146,809.44