Finding the Third Proportional to 478,879 and 1,047,505

Step by Step Solution

1. Step 1: Write the proportion equation
   478,879 : 1,047,505 = 1,047,505 : x
2. Step 2: Convert to fraction form
   478,879/1,047,505 = 1,047,505/x
3. Step 3: Cross multiply
   478,879x = 1,047,505 × 1,047,505
4. Step 4: Simplify right side
   478,879x = 1,097,266,725,025
5. Step 5: Solve for x
   x = 1,097,266,725,025/478,879
6. Step 6: Final answer
   x = 2,291,323.54