Finding the Third Proportional to 2,430,262 and 5,318,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,262 : 5,318,228 = 5,318,228 : x
2. Step 2: Convert to fraction form
   2,430,262/5,318,228 = 5,318,228/x
3. Step 3: Cross multiply
   2,430,262x = 5,318,228 × 5,318,228
4. Step 4: Simplify right side
   2,430,262x = 28,283,549,059,984
5. Step 5: Solve for x
   x = 28,283,549,059,984/2,430,262
6. Step 6: Final answer
   x = 11,638,065.80