Finding the Third Proportional to 39,860 and 58,060

Step by Step Solution

1. Step 1: Write the proportion equation
   39,860 : 58,060 = 58,060 : x
2. Step 2: Convert to fraction form
   39,860/58,060 = 58,060/x
3. Step 3: Cross multiply
   39,860x = 58,060 × 58,060
4. Step 4: Simplify right side
   39,860x = 3,370,963,600
5. Step 5: Solve for x
   x = 3,370,963,600/39,860
6. Step 6: Final answer
   x = 84,570.09