Finding the Third Proportional to 69,338.25 and 141,962.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,338.25 : 141,962.25 = 141,962.25 : x
2. Step 2: Convert to fraction form
   69,338.25/141,962.25 = 141,962.25/x
3. Step 3: Cross multiply
   69,338.25x = 141,962.25 × 141,962.25
4. Step 4: Simplify right side
   69,338.25x = 20,153,280,425.06
5. Step 5: Solve for x
   x = 20,153,280,425.06/69,338.25
6. Step 6: Final answer
   x = 290,651.70