Finding the Third Proportional to 67,428 and 101,988

Step by Step Solution

1. Step 1: Write the proportion equation
   67,428 : 101,988 = 101,988 : x
2. Step 2: Convert to fraction form
   67,428/101,988 = 101,988/x
3. Step 3: Cross multiply
   67,428x = 101,988 × 101,988
4. Step 4: Simplify right side
   67,428x = 10,401,552,144
5. Step 5: Solve for x
   x = 10,401,552,144/67,428
6. Step 6: Final answer
   x = 154,261.61