Finding the Third Proportional to 1,646,496 and 3,555,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646,496 : 3,555,432 = 3,555,432 : x
2. Step 2: Convert to fraction form
   1,646,496/3,555,432 = 3,555,432/x
3. Step 3: Cross multiply
   1,646,496x = 3,555,432 × 3,555,432
4. Step 4: Simplify right side
   1,646,496x = 12,641,096,706,624
5. Step 5: Solve for x
   x = 12,641,096,706,624/1,646,496
6. Step 6: Final answer
   x = 7,677,575.11