Finding the Third Proportional to 87,516 and 191,802

Step by Step Solution

1. Step 1: Write the proportion equation
   87,516 : 191,802 = 191,802 : x
2. Step 2: Convert to fraction form
   87,516/191,802 = 191,802/x
3. Step 3: Cross multiply
   87,516x = 191,802 × 191,802
4. Step 4: Simplify right side
   87,516x = 36,788,007,204
5. Step 5: Solve for x
   x = 36,788,007,204/87,516
6. Step 6: Final answer
   x = 420,357.50