Finding the Third Proportional to 42,327 and 90,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,327 : 90,490.50 = 90,490.50 : x
2. Step 2: Convert to fraction form
   42,327/90,490.50 = 90,490.50/x
3. Step 3: Cross multiply
   42,327x = 90,490.50 × 90,490.50
4. Step 4: Simplify right side
   42,327x = 8,188,530,590.25
5. Step 5: Solve for x
   x = 8,188,530,590.25/42,327
6. Step 6: Final answer
   x = 193,458.80