Finding the Third Proportional to 69,350 and 141,986

Step by Step Solution

1. Step 1: Write the proportion equation
   69,350 : 141,986 = 141,986 : x
2. Step 2: Convert to fraction form
   69,350/141,986 = 141,986/x
3. Step 3: Cross multiply
   69,350x = 141,986 × 141,986
4. Step 4: Simplify right side
   69,350x = 20,160,024,196
5. Step 5: Solve for x
   x = 20,160,024,196/69,350
6. Step 6: Final answer
   x = 290,699.70