Finding the Third Proportional to 4,869,828 and 7,569,990

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869,828 : 7,569,990 = 7,569,990 : x
2. Step 2: Convert to fraction form
   4,869,828/7,569,990 = 7,569,990/x
3. Step 3: Cross multiply
   4,869,828x = 7,569,990 × 7,569,990
4. Step 4: Simplify right side
   4,869,828x = 57,304,748,600,100
5. Step 5: Solve for x
   x = 57,304,748,600,100/4,869,828
6. Step 6: Final answer
   x = 11,767,304.43