Finding the Third Proportional to 187,484 and 412,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,484 : 412,488.50 = 412,488.50 : x
2. Step 2: Convert to fraction form
   187,484/412,488.50 = 412,488.50/x
3. Step 3: Cross multiply
   187,484x = 412,488.50 × 412,488.50
4. Step 4: Simplify right side
   187,484x = 170,146,762,632.25
5. Step 5: Solve for x
   x = 170,146,762,632.25/187,484
6. Step 6: Final answer
   x = 907,526.84