Finding the Third Proportional to 69,345 and 141,975

Step by Step Solution

1. Step 1: Write the proportion equation
   69,345 : 141,975 = 141,975 : x
2. Step 2: Convert to fraction form
   69,345/141,975 = 141,975/x
3. Step 3: Cross multiply
   69,345x = 141,975 × 141,975
4. Step 4: Simplify right side
   69,345x = 20,156,900,625
5. Step 5: Solve for x
   x = 20,156,900,625/69,345
6. Step 6: Final answer
   x = 290,675.62