Finding the Third Proportional to 1,584,280 and 3,421,084

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,280 : 3,421,084 = 3,421,084 : x
2. Step 2: Convert to fraction form
   1,584,280/3,421,084 = 3,421,084/x
3. Step 3: Cross multiply
   1,584,280x = 3,421,084 × 3,421,084
4. Step 4: Simplify right side
   1,584,280x = 11,703,815,735,056
5. Step 5: Solve for x
   x = 11,703,815,735,056/1,584,280
6. Step 6: Final answer
   x = 7,387,466.69