Finding the Third Proportional to 42,384 and 90,246

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384 : 90,246 = 90,246 : x
2. Step 2: Convert to fraction form
   42,384/90,246 = 90,246/x
3. Step 3: Cross multiply
   42,384x = 90,246 × 90,246
4. Step 4: Simplify right side
   42,384x = 8,144,340,516
5. Step 5: Solve for x
   x = 8,144,340,516/42,384
6. Step 6: Final answer
   x = 192,156.01