Finding the Third Proportional to 42,363 and 90,354

Step by Step Solution

1. Step 1: Write the proportion equation
   42,363 : 90,354 = 90,354 : x
2. Step 2: Convert to fraction form
   42,363/90,354 = 90,354/x
3. Step 3: Cross multiply
   42,363x = 90,354 × 90,354
4. Step 4: Simplify right side
   42,363x = 8,163,845,316
5. Step 5: Solve for x
   x = 8,163,845,316/42,363
6. Step 6: Final answer
   x = 192,711.69