Finding the Third Proportional to 5,902,476 and 8,684,928

Step by Step Solution

1. Step 1: Write the proportion equation
   5,902,476 : 8,684,928 = 8,684,928 : x
2. Step 2: Convert to fraction form
   5,902,476/8,684,928 = 8,684,928/x
3. Step 3: Cross multiply
   5,902,476x = 8,684,928 × 8,684,928
4. Step 4: Simplify right side
   5,902,476x = 75,427,974,365,184
5. Step 5: Solve for x
   x = 75,427,974,365,184/5,902,476
6. Step 6: Final answer
   x = 12,779,039.57