Finding the Third Proportional to 66,852 and 142,726

Step by Step Solution

1. Step 1: Write the proportion equation
   66,852 : 142,726 = 142,726 : x
2. Step 2: Convert to fraction form
   66,852/142,726 = 142,726/x
3. Step 3: Cross multiply
   66,852x = 142,726 × 142,726
4. Step 4: Simplify right side
   66,852x = 20,370,711,076
5. Step 5: Solve for x
   x = 20,370,711,076/66,852
6. Step 6: Final answer
   x = 304,713.56