Finding the Third Proportional to 383,837,872 and 835,828,064

Step by Step Solution

1. Step 1: Write the proportion equation
   383,837,872 : 835,828,064 = 835,828,064 : x
2. Step 2: Convert to fraction form
   383,837,872/835,828,064 = 835,828,064/x
3. Step 3: Cross multiply
   383,837,872x = 835,828,064 × 835,828,064
4. Step 4: Simplify right side
   383,837,872x = 698,608,552,569,988,096
5. Step 5: Solve for x
   x = 698,608,552,569,988,096/383,837,872
6. Step 6: Final answer
   x = 1,820,061,550.80