Finding the Third Proportional to 69,164 and 140,862

Step by Step Solution

1. Step 1: Write the proportion equation
   69,164 : 140,862 = 140,862 : x
2. Step 2: Convert to fraction form
   69,164/140,862 = 140,862/x
3. Step 3: Cross multiply
   69,164x = 140,862 × 140,862
4. Step 4: Simplify right side
   69,164x = 19,842,103,044
5. Step 5: Solve for x
   x = 19,842,103,044/69,164
6. Step 6: Final answer
   x = 286,884.84