Finding the Third Proportional to 1,475,208 and 2,278,316

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,208 : 2,278,316 = 2,278,316 : x
2. Step 2: Convert to fraction form
   1,475,208/2,278,316 = 2,278,316/x
3. Step 3: Cross multiply
   1,475,208x = 2,278,316 × 2,278,316
4. Step 4: Simplify right side
   1,475,208x = 5,190,723,795,856
5. Step 5: Solve for x
   x = 5,190,723,795,856/1,475,208
6. Step 6: Final answer
   x = 3,518,638.59