Finding the Third Proportional to 187,498.50 and 412,518

Step by Step Solution

1. Step 1: Write the proportion equation
   187,498.50 : 412,518 = 412,518 : x
2. Step 2: Convert to fraction form
   187,498.50/412,518 = 412,518/x
3. Step 3: Cross multiply
   187,498.50x = 412,518 × 412,518
4. Step 4: Simplify right side
   187,498.50x = 170,171,100,324
5. Step 5: Solve for x
   x = 170,171,100,324/187,498.50
6. Step 6: Final answer
   x = 907,586.46