Finding the Third Proportional to 5,902,442 and 8,684,879

Step by Step Solution

1. Step 1: Write the proportion equation
   5,902,442 : 8,684,879 = 8,684,879 : x
2. Step 2: Convert to fraction form
   5,902,442/8,684,879 = 8,684,879/x
3. Step 3: Cross multiply
   5,902,442x = 8,684,879 × 8,684,879
4. Step 4: Simplify right side
   5,902,442x = 75,427,123,244,641
5. Step 5: Solve for x
   x = 75,427,123,244,641/5,902,442
6. Step 6: Final answer
   x = 12,778,968.98