Finding the Third Proportional to 1,403,830 and 3,020,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,830 : 3,020,448 = 3,020,448 : x
2. Step 2: Convert to fraction form
   1,403,830/3,020,448 = 3,020,448/x
3. Step 3: Cross multiply
   1,403,830x = 3,020,448 × 3,020,448
4. Step 4: Simplify right side
   1,403,830x = 9,123,106,120,704
5. Step 5: Solve for x
   x = 9,123,106,120,704/1,403,830
6. Step 6: Final answer
   x = 6,498,725.72