Finding the Third Proportional to 1,584,360 and 3,299,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,360 : 3,299,280 = 3,299,280 : x
2. Step 2: Convert to fraction form
   1,584,360/3,299,280 = 3,299,280/x
3. Step 3: Cross multiply
   1,584,360x = 3,299,280 × 3,299,280
4. Step 4: Simplify right side
   1,584,360x = 10,885,248,518,400
5. Step 5: Solve for x
   x = 10,885,248,518,400/1,584,360
6. Step 6: Final answer
   x = 6,870,438.86