Finding the Third Proportional to 42,446 and 91,615

Step by Step Solution

1. Step 1: Write the proportion equation
   42,446 : 91,615 = 91,615 : x
2. Step 2: Convert to fraction form
   42,446/91,615 = 91,615/x
3. Step 3: Cross multiply
   42,446x = 91,615 × 91,615
4. Step 4: Simplify right side
   42,446x = 8,393,308,225
5. Step 5: Solve for x
   x = 8,393,308,225/42,446
6. Step 6: Final answer
   x = 197,740.85