Finding the Third Proportional to 67,298 and 146,382

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298 : 146,382 = 146,382 : x
2. Step 2: Convert to fraction form
   67,298/146,382 = 146,382/x
3. Step 3: Cross multiply
   67,298x = 146,382 × 146,382
4. Step 4: Simplify right side
   67,298x = 21,427,689,924
5. Step 5: Solve for x
   x = 21,427,689,924/67,298
6. Step 6: Final answer
   x = 318,400.10