Finding the Third Proportional to 1,694,220 and 3,720,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694,220 : 3,720,216 = 3,720,216 : x
2. Step 2: Convert to fraction form
   1,694,220/3,720,216 = 3,720,216/x
3. Step 3: Cross multiply
   1,694,220x = 3,720,216 × 3,720,216
4. Step 4: Simplify right side
   1,694,220x = 13,840,007,086,656
5. Step 5: Solve for x
   x = 13,840,007,086,656/1,694,220
6. Step 6: Final answer
   x = 8,168,955.09