Finding the Third Proportional to 66,197 and 141,870

Step by Step Solution

1. Step 1: Write the proportion equation
   66,197 : 141,870 = 141,870 : x
2. Step 2: Convert to fraction form
   66,197/141,870 = 141,870/x
3. Step 3: Cross multiply
   66,197x = 141,870 × 141,870
4. Step 4: Simplify right side
   66,197x = 20,127,096,900
5. Step 5: Solve for x
   x = 20,127,096,900/66,197
6. Step 6: Final answer
   x = 304,048.48