Finding the Third Proportional to 42,702.75 and 90,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,702.75 : 90,949.50 = 90,949.50 : x
2. Step 2: Convert to fraction form
   42,702.75/90,949.50 = 90,949.50/x
3. Step 3: Cross multiply
   42,702.75x = 90,949.50 × 90,949.50
4. Step 4: Simplify right side
   42,702.75x = 8,271,811,550.25
5. Step 5: Solve for x
   x = 8,271,811,550.25/42,702.75
6. Step 6: Final answer
   x = 193,706.76