Finding the Third Proportional to 86,562 and 187,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,562 : 187,879.50 = 187,879.50 : x
2. Step 2: Convert to fraction form
   86,562/187,879.50 = 187,879.50/x
3. Step 3: Cross multiply
   86,562x = 187,879.50 × 187,879.50
4. Step 4: Simplify right side
   86,562x = 35,298,706,520.25
5. Step 5: Solve for x
   x = 35,298,706,520.25/86,562
6. Step 6: Final answer
   x = 407,785.25