Finding the Third Proportional to 245,190 and 517,002

Step by Step Solution

1. Step 1: Write the proportion equation
   245,190 : 517,002 = 517,002 : x
2. Step 2: Convert to fraction form
   245,190/517,002 = 517,002/x
3. Step 3: Cross multiply
   245,190x = 517,002 × 517,002
4. Step 4: Simplify right side
   245,190x = 267,291,068,004
5. Step 5: Solve for x
   x = 267,291,068,004/245,190
6. Step 6: Final answer
   x = 1,090,138.54