Finding the Third Proportional to 39,215 and 58,066

Step by Step Solution

1. Step 1: Write the proportion equation
   39,215 : 58,066 = 58,066 : x
2. Step 2: Convert to fraction form
   39,215/58,066 = 58,066/x
3. Step 3: Cross multiply
   39,215x = 58,066 × 58,066
4. Step 4: Simplify right side
   39,215x = 3,371,660,356
5. Step 5: Solve for x
   x = 3,371,660,356/39,215
6. Step 6: Final answer
   x = 85,978.84