Finding the Third Proportional to 162,527 and 215,710

Step by Step Solution

1. Step 1: Write the proportion equation
   162,527 : 215,710 = 215,710 : x
2. Step 2: Convert to fraction form
   162,527/215,710 = 215,710/x
3. Step 3: Cross multiply
   162,527x = 215,710 × 215,710
4. Step 4: Simplify right side
   162,527x = 46,530,804,100
5. Step 5: Solve for x
   x = 46,530,804,100/162,527
6. Step 6: Final answer
   x = 286,295.84