Finding the Third Proportional to 42,357 and 98,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,357 : 98,479.50 = 98,479.50 : x
2. Step 2: Convert to fraction form
   42,357/98,479.50 = 98,479.50/x
3. Step 3: Cross multiply
   42,357x = 98,479.50 × 98,479.50
4. Step 4: Simplify right side
   42,357x = 9,698,211,920.25
5. Step 5: Solve for x
   x = 9,698,211,920.25/42,357
6. Step 6: Final answer
   x = 228,963.62