Finding the Third Proportional to 147,019 and 207,039

Step by Step Solution

1. Step 1: Write the proportion equation
   147,019 : 207,039 = 207,039 : x
2. Step 2: Convert to fraction form
   147,019/207,039 = 207,039/x
3. Step 3: Cross multiply
   147,019x = 207,039 × 207,039
4. Step 4: Simplify right side
   147,019x = 42,865,147,521
5. Step 5: Solve for x
   x = 42,865,147,521/147,019
6. Step 6: Final answer
   x = 291,561.96