Finding the Third Proportional to 42,345 and 90,314

Step by Step Solution

1. Step 1: Write the proportion equation
   42,345 : 90,314 = 90,314 : x
2. Step 2: Convert to fraction form
   42,345/90,314 = 90,314/x
3. Step 3: Cross multiply
   42,345x = 90,314 × 90,314
4. Step 4: Simplify right side
   42,345x = 8,156,618,596
5. Step 5: Solve for x
   x = 8,156,618,596/42,345
6. Step 6: Final answer
   x = 192,622.94