Finding the Third Proportional to 103,650 and 215,088

Step by Step Solution

1. Step 1: Write the proportion equation
   103,650 : 215,088 = 215,088 : x
2. Step 2: Convert to fraction form
   103,650/215,088 = 215,088/x
3. Step 3: Cross multiply
   103,650x = 215,088 × 215,088
4. Step 4: Simplify right side
   103,650x = 46,262,847,744
5. Step 5: Solve for x
   x = 46,262,847,744/103,650
6. Step 6: Final answer
   x = 446,337.17