Finding the Third Proportional to 1,475,089 and 2,278,143

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,089 : 2,278,143 = 2,278,143 : x
2. Step 2: Convert to fraction form
   1,475,089/2,278,143 = 2,278,143/x
3. Step 3: Cross multiply
   1,475,089x = 2,278,143 × 2,278,143
4. Step 4: Simplify right side
   1,475,089x = 5,189,935,528,449
5. Step 5: Solve for x
   x = 5,189,935,528,449/1,475,089
6. Step 6: Final answer
   x = 3,518,388.06