Finding the Third Proportional to 39,460 and 58,590

Step by Step Solution

1. Step 1: Write the proportion equation
   39,460 : 58,590 = 58,590 : x
2. Step 2: Convert to fraction form
   39,460/58,590 = 58,590/x
3. Step 3: Cross multiply
   39,460x = 58,590 × 58,590
4. Step 4: Simplify right side
   39,460x = 3,432,788,100
5. Step 5: Solve for x
   x = 3,432,788,100/39,460
6. Step 6: Final answer
   x = 86,994.12