Finding the Third Proportional to 40,978.50 and 61,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,978.50 : 61,843.50 = 61,843.50 : x
2. Step 2: Convert to fraction form
   40,978.50/61,843.50 = 61,843.50/x
3. Step 3: Cross multiply
   40,978.50x = 61,843.50 × 61,843.50
4. Step 4: Simplify right side
   40,978.50x = 3,824,618,492.25
5. Step 5: Solve for x
   x = 3,824,618,492.25/40,978.50
6. Step 6: Final answer
   x = 93,332.32