Finding the Third Proportional to 2,430,283 and 5,318,269

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,283 : 5,318,269 = 5,318,269 : x
2. Step 2: Convert to fraction form
   2,430,283/5,318,269 = 5,318,269/x
3. Step 3: Cross multiply
   2,430,283x = 5,318,269 × 5,318,269
4. Step 4: Simplify right side
   2,430,283x = 28,283,985,156,361
5. Step 5: Solve for x
   x = 28,283,985,156,361/2,430,283
6. Step 6: Final answer
   x = 11,638,144.68