Finding the Third Proportional to 810,090 and 1,772,748

Step by Step Solution

1. Step 1: Write the proportion equation
   810,090 : 1,772,748 = 1,772,748 : x
2. Step 2: Convert to fraction form
   810,090/1,772,748 = 1,772,748/x
3. Step 3: Cross multiply
   810,090x = 1,772,748 × 1,772,748
4. Step 4: Simplify right side
   810,090x = 3,142,635,471,504
5. Step 5: Solve for x
   x = 3,142,635,471,504/810,090
6. Step 6: Final answer
   x = 3,879,365.84