Finding the Third Proportional to 518,102 and 799,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   518,102 : 799,264.50 = 799,264.50 : x
2. Step 2: Convert to fraction form
   518,102/799,264.50 = 799,264.50/x
3. Step 3: Cross multiply
   518,102x = 799,264.50 × 799,264.50
4. Step 4: Simplify right side
   518,102x = 638,823,740,960.25
5. Step 5: Solve for x
   x = 638,823,740,960.25/518,102
6. Step 6: Final answer
   x = 1,233,007.67