Finding the Third Proportional to 39,881 and 58,090

Step by Step Solution

1. Step 1: Write the proportion equation
   39,881 : 58,090 = 58,090 : x
2. Step 2: Convert to fraction form
   39,881/58,090 = 58,090/x
3. Step 3: Cross multiply
   39,881x = 58,090 × 58,090
4. Step 4: Simplify right side
   39,881x = 3,374,448,100
5. Step 5: Solve for x
   x = 3,374,448,100/39,881
6. Step 6: Final answer
   x = 84,612.93