Finding the Third Proportional to 1,584,392 and 3,421,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,392 : 3,421,348 = 3,421,348 : x
2. Step 2: Convert to fraction form
   1,584,392/3,421,348 = 3,421,348/x
3. Step 3: Cross multiply
   1,584,392x = 3,421,348 × 3,421,348
4. Step 4: Simplify right side
   1,584,392x = 11,705,622,137,104
5. Step 5: Solve for x
   x = 11,705,622,137,104/1,584,392
6. Step 6: Final answer
   x = 7,388,084.60