Finding the Third Proportional to 87,510 and 192,516

Step by Step Solution

1. Step 1: Write the proportion equation
   87,510 : 192,516 = 192,516 : x
2. Step 2: Convert to fraction form
   87,510/192,516 = 192,516/x
3. Step 3: Cross multiply
   87,510x = 192,516 × 192,516
4. Step 4: Simplify right side
   87,510x = 37,062,410,256
5. Step 5: Solve for x
   x = 37,062,410,256/87,510
6. Step 6: Final answer
   x = 423,522.00