Finding the Third Proportional to 2,430,288 and 5,318,262

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,288 : 5,318,262 = 5,318,262 : x
2. Step 2: Convert to fraction form
   2,430,288/5,318,262 = 5,318,262/x
3. Step 3: Cross multiply
   2,430,288x = 5,318,262 × 5,318,262
4. Step 4: Simplify right side
   2,430,288x = 28,283,910,700,644
5. Step 5: Solve for x
   x = 28,283,910,700,644/2,430,288
6. Step 6: Final answer
   x = 11,638,090.09