Finding the Third Proportional to 67,310 and 99,662

Step by Step Solution

1. Step 1: Write the proportion equation
   67,310 : 99,662 = 99,662 : x
2. Step 2: Convert to fraction form
   67,310/99,662 = 99,662/x
3. Step 3: Cross multiply
   67,310x = 99,662 × 99,662
4. Step 4: Simplify right side
   67,310x = 9,932,514,244
5. Step 5: Solve for x
   x = 9,932,514,244/67,310
6. Step 6: Final answer
   x = 147,563.72