Finding the Third Proportional to 147,632 and 309,298

Step by Step Solution

1. Step 1: Write the proportion equation
   147,632 : 309,298 = 309,298 : x
2. Step 2: Convert to fraction form
   147,632/309,298 = 309,298/x
3. Step 3: Cross multiply
   147,632x = 309,298 × 309,298
4. Step 4: Simplify right side
   147,632x = 95,665,252,804
5. Step 5: Solve for x
   x = 95,665,252,804/147,632
6. Step 6: Final answer
   x = 647,998.08