Finding the Third Proportional to 42,436 and 91,854

Step by Step Solution

1. Step 1: Write the proportion equation
   42,436 : 91,854 = 91,854 : x
2. Step 2: Convert to fraction form
   42,436/91,854 = 91,854/x
3. Step 3: Cross multiply
   42,436x = 91,854 × 91,854
4. Step 4: Simplify right side
   42,436x = 8,437,157,316
5. Step 5: Solve for x
   x = 8,437,157,316/42,436
6. Step 6: Final answer
   x = 198,820.75