Finding the Third Proportional to 1,475,112 and 2,278,188

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,112 : 2,278,188 = 2,278,188 : x
2. Step 2: Convert to fraction form
   1,475,112/2,278,188 = 2,278,188/x
3. Step 3: Cross multiply
   1,475,112x = 2,278,188 × 2,278,188
4. Step 4: Simplify right side
   1,475,112x = 5,190,140,563,344
5. Step 5: Solve for x
   x = 5,190,140,563,344/1,475,112
6. Step 6: Final answer
   x = 3,518,472.20