Finding the Third Proportional to 90,061 and 141,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,061 : 141,272.50 = 141,272.50 : x
2. Step 2: Convert to fraction form
   90,061/141,272.50 = 141,272.50/x
3. Step 3: Cross multiply
   90,061x = 141,272.50 × 141,272.50
4. Step 4: Simplify right side
   90,061x = 19,957,919,256.25
5. Step 5: Solve for x
   x = 19,957,919,256.25/90,061
6. Step 6: Final answer
   x = 221,604.46