Finding the Third Proportional to 1,728,720 and 3,772,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,720 : 3,772,368 = 3,772,368 : x
2. Step 2: Convert to fraction form
   1,728,720/3,772,368 = 3,772,368/x
3. Step 3: Cross multiply
   1,728,720x = 3,772,368 × 3,772,368
4. Step 4: Simplify right side
   1,728,720x = 14,230,760,327,424
5. Step 5: Solve for x
   x = 14,230,760,327,424/1,728,720
6. Step 6: Final answer
   x = 8,231,963.72