Finding the Third Proportional to 42,506 and 91,402

Step by Step Solution

1. Step 1: Write the proportion equation
   42,506 : 91,402 = 91,402 : x
2. Step 2: Convert to fraction form
   42,506/91,402 = 91,402/x
3. Step 3: Cross multiply
   42,506x = 91,402 × 91,402
4. Step 4: Simplify right side
   42,506x = 8,354,325,604
5. Step 5: Solve for x
   x = 8,354,325,604/42,506
6. Step 6: Final answer
   x = 196,544.62