Finding the Third Proportional to 66,610 and 141,698

Step by Step Solution

1. Step 1: Write the proportion equation
   66,610 : 141,698 = 141,698 : x
2. Step 2: Convert to fraction form
   66,610/141,698 = 141,698/x
3. Step 3: Cross multiply
   66,610x = 141,698 × 141,698
4. Step 4: Simplify right side
   66,610x = 20,078,323,204
5. Step 5: Solve for x
   x = 20,078,323,204/66,610
6. Step 6: Final answer
   x = 301,431.06