Finding the Third Proportional to 38,139 and 58,344

Step by Step Solution

1. Step 1: Write the proportion equation
   38,139 : 58,344 = 58,344 : x
2. Step 2: Convert to fraction form
   38,139/58,344 = 58,344/x
3. Step 3: Cross multiply
   38,139x = 58,344 × 58,344
4. Step 4: Simplify right side
   38,139x = 3,404,022,336
5. Step 5: Solve for x
   x = 3,404,022,336/38,139
6. Step 6: Final answer
   x = 89,253.06