Finding the Third Proportional to 1,485,809 and 3,256,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,809 : 3,256,432 = 3,256,432 : x
2. Step 2: Convert to fraction form
   1,485,809/3,256,432 = 3,256,432/x
3. Step 3: Cross multiply
   1,485,809x = 3,256,432 × 3,256,432
4. Step 4: Simplify right side
   1,485,809x = 10,604,349,370,624
5. Step 5: Solve for x
   x = 10,604,349,370,624/1,485,809
6. Step 6: Final answer
   x = 7,137,087.86