Finding the Third Proportional to 1,468,640 and 3,113,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468,640 : 3,113,440 = 3,113,440 : x
2. Step 2: Convert to fraction form
   1,468,640/3,113,440 = 3,113,440/x
3. Step 3: Cross multiply
   1,468,640x = 3,113,440 × 3,113,440
4. Step 4: Simplify right side
   1,468,640x = 9,693,508,633,600
5. Step 5: Solve for x
   x = 9,693,508,633,600/1,468,640
6. Step 6: Final answer
   x = 6,600,329.99