Finding the Third Proportional to 67,872 and 99,774

Step by Step Solution

1. Step 1: Write the proportion equation
   67,872 : 99,774 = 99,774 : x
2. Step 2: Convert to fraction form
   67,872/99,774 = 99,774/x
3. Step 3: Cross multiply
   67,872x = 99,774 × 99,774
4. Step 4: Simplify right side
   67,872x = 9,954,851,076
5. Step 5: Solve for x
   x = 9,954,851,076/67,872
6. Step 6: Final answer
   x = 146,670.96