Finding the Third Proportional to 58,176 and 89,892

Step by Step Solution

1. Step 1: Write the proportion equation
   58,176 : 89,892 = 89,892 : x
2. Step 2: Convert to fraction form
   58,176/89,892 = 89,892/x
3. Step 3: Cross multiply
   58,176x = 89,892 × 89,892
4. Step 4: Simplify right side
   58,176x = 8,080,571,664
5. Step 5: Solve for x
   x = 8,080,571,664/58,176
6. Step 6: Final answer
   x = 138,898.72