Finding the Third Proportional to 1,694,272 and 3,720,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694,272 : 3,720,320 = 3,720,320 : x
2. Step 2: Convert to fraction form
   1,694,272/3,720,320 = 3,720,320/x
3. Step 3: Cross multiply
   1,694,272x = 3,720,320 × 3,720,320
4. Step 4: Simplify right side
   1,694,272x = 13,840,780,902,400
5. Step 5: Solve for x
   x = 13,840,780,902,400/1,694,272
6. Step 6: Final answer
   x = 8,169,161.09