Finding the Third Proportional to 90,482.50 and 140,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,482.50 : 140,894.50 = 140,894.50 : x
2. Step 2: Convert to fraction form
   90,482.50/140,894.50 = 140,894.50/x
3. Step 3: Cross multiply
   90,482.50x = 140,894.50 × 140,894.50
4. Step 4: Simplify right side
   90,482.50x = 19,851,260,130.25
5. Step 5: Solve for x
   x = 19,851,260,130.25/90,482.50
6. Step 6: Final answer
   x = 219,393.36