Finding the Third Proportional to 1,439,432 and 3,078,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,432 : 3,078,168 = 3,078,168 : x
2. Step 2: Convert to fraction form
   1,439,432/3,078,168 = 3,078,168/x
3. Step 3: Cross multiply
   1,439,432x = 3,078,168 × 3,078,168
4. Step 4: Simplify right side
   1,439,432x = 9,475,118,236,224
5. Step 5: Solve for x
   x = 9,475,118,236,224/1,439,432
6. Step 6: Final answer
   x = 6,582,539.67