Finding the Third Proportional to 76,650 and 103,005

Step by Step Solution

1. Step 1: Write the proportion equation
   76,650 : 103,005 = 103,005 : x
2. Step 2: Convert to fraction form
   76,650/103,005 = 103,005/x
3. Step 3: Cross multiply
   76,650x = 103,005 × 103,005
4. Step 4: Simplify right side
   76,650x = 10,610,030,025
5. Step 5: Solve for x
   x = 10,610,030,025/76,650
6. Step 6: Final answer
   x = 138,421.79