Finding the Third Proportional to 1,475,090 and 2,278,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,090 : 2,278,144 = 2,278,144 : x
2. Step 2: Convert to fraction form
   1,475,090/2,278,144 = 2,278,144/x
3. Step 3: Cross multiply
   1,475,090x = 2,278,144 × 2,278,144
4. Step 4: Simplify right side
   1,475,090x = 5,189,940,084,736
5. Step 5: Solve for x
   x = 5,189,940,084,736/1,475,090
6. Step 6: Final answer
   x = 3,518,388.77