Finding the Third Proportional to 5,239,710 and 8,331,948

Step by Step Solution

1. Step 1: Write the proportion equation
   5,239,710 : 8,331,948 = 8,331,948 : x
2. Step 2: Convert to fraction form
   5,239,710/8,331,948 = 8,331,948/x
3. Step 3: Cross multiply
   5,239,710x = 8,331,948 × 8,331,948
4. Step 4: Simplify right side
   5,239,710x = 69,421,357,474,704
5. Step 5: Solve for x
   x = 69,421,357,474,704/5,239,710
6. Step 6: Final answer
   x = 13,249,083.91