Finding the Third Proportional to 90,816 and 141,104.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,816 : 141,104.25 = 141,104.25 : x
2. Step 2: Convert to fraction form
   90,816/141,104.25 = 141,104.25/x
3. Step 3: Cross multiply
   90,816x = 141,104.25 × 141,104.25
4. Step 4: Simplify right side
   90,816x = 19,910,409,368.06
5. Step 5: Solve for x
   x = 19,910,409,368.06/90,816
6. Step 6: Final answer
   x = 219,239.00