Finding the Third Proportional to 1,405,404 and 3,125,196

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,404 : 3,125,196 = 3,125,196 : x
2. Step 2: Convert to fraction form
   1,405,404/3,125,196 = 3,125,196/x
3. Step 3: Cross multiply
   1,405,404x = 3,125,196 × 3,125,196
4. Step 4: Simplify right side
   1,405,404x = 9,766,850,038,416
5. Step 5: Solve for x
   x = 9,766,850,038,416/1,405,404
6. Step 6: Final answer
   x = 6,949,496.40