Finding the Third Proportional to 77,017 and 103,018

Step by Step Solution

1. Step 1: Write the proportion equation
   77,017 : 103,018 = 103,018 : x
2. Step 2: Convert to fraction form
   77,017/103,018 = 103,018/x
3. Step 3: Cross multiply
   77,017x = 103,018 × 103,018
4. Step 4: Simplify right side
   77,017x = 10,612,708,324
5. Step 5: Solve for x
   x = 10,612,708,324/77,017
6. Step 6: Final answer
   x = 137,796.96