Finding the Third Proportional to 187,488 and 412,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,488 : 412,492.50 = 412,492.50 : x
2. Step 2: Convert to fraction form
   187,488/412,492.50 = 412,492.50/x
3. Step 3: Cross multiply
   187,488x = 412,492.50 × 412,492.50
4. Step 4: Simplify right side
   187,488x = 170,150,062,556.25
5. Step 5: Solve for x
   x = 170,150,062,556.25/187,488
6. Step 6: Final answer
   x = 907,525.08