Finding the Third Proportional to 1,402,240 and 3,069,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402,240 : 3,069,840 = 3,069,840 : x
2. Step 2: Convert to fraction form
   1,402,240/3,069,840 = 3,069,840/x
3. Step 3: Cross multiply
   1,402,240x = 3,069,840 × 3,069,840
4. Step 4: Simplify right side
   1,402,240x = 9,423,917,625,600
5. Step 5: Solve for x
   x = 9,423,917,625,600/1,402,240
6. Step 6: Final answer
   x = 6,720,616.75