Finding the Third Proportional to 68,316 and 140,034

Step by Step Solution

1. Step 1: Write the proportion equation
   68,316 : 140,034 = 140,034 : x
2. Step 2: Convert to fraction form
   68,316/140,034 = 140,034/x
3. Step 3: Cross multiply
   68,316x = 140,034 × 140,034
4. Step 4: Simplify right side
   68,316x = 19,609,521,156
5. Step 5: Solve for x
   x = 19,609,521,156/68,316
6. Step 6: Final answer
   x = 287,041.41