Finding the Third Proportional to 3,588,642 and 5,331,123

Step by Step Solution

1. Step 1: Write the proportion equation
   3,588,642 : 5,331,123 = 5,331,123 : x
2. Step 2: Convert to fraction form
   3,588,642/5,331,123 = 5,331,123/x
3. Step 3: Cross multiply
   3,588,642x = 5,331,123 × 5,331,123
4. Step 4: Simplify right side
   3,588,642x = 28,420,872,441,129
5. Step 5: Solve for x
   x = 28,420,872,441,129/3,588,642
6. Step 6: Final answer
   x = 7,919,673.36