Finding the Third Proportional to 68,256 and 103,113

Step by Step Solution

1. Step 1: Write the proportion equation
   68,256 : 103,113 = 103,113 : x
2. Step 2: Convert to fraction form
   68,256/103,113 = 103,113/x
3. Step 3: Cross multiply
   68,256x = 103,113 × 103,113
4. Step 4: Simplify right side
   68,256x = 10,632,290,769
5. Step 5: Solve for x
   x = 10,632,290,769/68,256
6. Step 6: Final answer
   x = 155,770.79