Finding the Third Proportional to 729,279 and 1,103,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   729,279 : 1,103,980.50 = 1,103,980.50 : x
2. Step 2: Convert to fraction form
   729,279/1,103,980.50 = 1,103,980.50/x
3. Step 3: Cross multiply
   729,279x = 1,103,980.50 × 1,103,980.50
4. Step 4: Simplify right side
   729,279x = 1,218,772,944,380.25
5. Step 5: Solve for x
   x = 1,218,772,944,380.25/729,279
6. Step 6: Final answer
   x = 1,671,202.58