Finding the Third Proportional to 3,515,082 and 5,478,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,082 : 5,478,132 = 5,478,132 : x
2. Step 2: Convert to fraction form
   3,515,082/5,478,132 = 5,478,132/x
3. Step 3: Cross multiply
   3,515,082x = 5,478,132 × 5,478,132
4. Step 4: Simplify right side
   3,515,082x = 30,009,930,209,424
5. Step 5: Solve for x
   x = 30,009,930,209,424/3,515,082
6. Step 6: Final answer
   x = 8,537,476.57