Finding the Third Proportional to 3,479,789 and 5,323,688

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,789 : 5,323,688 = 5,323,688 : x
2. Step 2: Convert to fraction form
   3,479,789/5,323,688 = 5,323,688/x
3. Step 3: Cross multiply
   3,479,789x = 5,323,688 × 5,323,688
4. Step 4: Simplify right side
   3,479,789x = 28,341,653,921,344
5. Step 5: Solve for x
   x = 28,341,653,921,344/3,479,789
6. Step 6: Final answer
   x = 8,144,647.25