Finding the Third Proportional to 61,608 and 141,889

Step by Step Solution

1. Step 1: Write the proportion equation
   61,608 : 141,889 = 141,889 : x
2. Step 2: Convert to fraction form
   61,608/141,889 = 141,889/x
3. Step 3: Cross multiply
   61,608x = 141,889 × 141,889
4. Step 4: Simplify right side
   61,608x = 20,132,488,321
5. Step 5: Solve for x
   x = 20,132,488,321/61,608
6. Step 6: Final answer
   x = 326,783.67