Finding the Third Proportional to 162,525 and 215,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,525 : 215,707.50 = 215,707.50 : x
2. Step 2: Convert to fraction form
   162,525/215,707.50 = 215,707.50/x
3. Step 3: Cross multiply
   162,525x = 215,707.50 × 215,707.50
4. Step 4: Simplify right side
   162,525x = 46,529,725,556.25
5. Step 5: Solve for x
   x = 46,529,725,556.25/162,525
6. Step 6: Final answer
   x = 286,292.73