Finding the Third Proportional to 87,300 and 191,592

Step by Step Solution

1. Step 1: Write the proportion equation
   87,300 : 191,592 = 191,592 : x
2. Step 2: Convert to fraction form
   87,300/191,592 = 191,592/x
3. Step 3: Cross multiply
   87,300x = 191,592 × 191,592
4. Step 4: Simplify right side
   87,300x = 36,707,494,464
5. Step 5: Solve for x
   x = 36,707,494,464/87,300
6. Step 6: Final answer
   x = 420,475.31