Finding the Third Proportional to 3,907,659 and 5,902,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,659 : 5,902,320 = 5,902,320 : x
2. Step 2: Convert to fraction form
   3,907,659/5,902,320 = 5,902,320/x
3. Step 3: Cross multiply
   3,907,659x = 5,902,320 × 5,902,320
4. Step 4: Simplify right side
   3,907,659x = 34,837,381,382,400
5. Step 5: Solve for x
   x = 34,837,381,382,400/3,907,659
6. Step 6: Final answer
   x = 8,915,153.90