Finding the Third Proportional to 90,966.94 and 141,985.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,966.94 : 141,985.69 = 141,985.69 : x
2. Step 2: Convert to fraction form
   90,966.94/141,985.69 = 141,985.69/x
3. Step 3: Cross multiply
   90,966.94x = 141,985.69 × 141,985.69
4. Step 4: Simplify right side
   90,966.94x = 20,159,935,454.85
5. Step 5: Solve for x
   x = 20,159,935,454.85/90,966.94
6. Step 6: Final answer
   x = 221,618.27