Finding the Third Proportional to 42,123 and 63,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123 : 63,355.50 = 63,355.50 : x
2. Step 2: Convert to fraction form
   42,123/63,355.50 = 63,355.50/x
3. Step 3: Cross multiply
   42,123x = 63,355.50 × 63,355.50
4. Step 4: Simplify right side
   42,123x = 4,013,919,380.25
5. Step 5: Solve for x
   x = 4,013,919,380.25/42,123
6. Step 6: Final answer
   x = 95,290.44