Finding the Third Proportional to 67,663 and 146,853

Step by Step Solution

1. Step 1: Write the proportion equation
   67,663 : 146,853 = 146,853 : x
2. Step 2: Convert to fraction form
   67,663/146,853 = 146,853/x
3. Step 3: Cross multiply
   67,663x = 146,853 × 146,853
4. Step 4: Simplify right side
   67,663x = 21,565,803,609
5. Step 5: Solve for x
   x = 21,565,803,609/67,663
6. Step 6: Final answer
   x = 318,723.73