Finding the Third Proportional to 2,430,416 and 5,318,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,416 : 5,318,312 = 5,318,312 : x
2. Step 2: Convert to fraction form
   2,430,416/5,318,312 = 5,318,312/x
3. Step 3: Cross multiply
   2,430,416x = 5,318,312 × 5,318,312
4. Step 4: Simplify right side
   2,430,416x = 28,284,442,529,344
5. Step 5: Solve for x
   x = 28,284,442,529,344/2,430,416
6. Step 6: Final answer
   x = 11,637,695.99