Finding the Third Proportional to 3,530,878 and 7,485,532

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,878 : 7,485,532 = 7,485,532 : x
2. Step 2: Convert to fraction form
   3,530,878/7,485,532 = 7,485,532/x
3. Step 3: Cross multiply
   3,530,878x = 7,485,532 × 7,485,532
4. Step 4: Simplify right side
   3,530,878x = 56,033,189,323,024
5. Step 5: Solve for x
   x = 56,033,189,323,024/3,530,878
6. Step 6: Final answer
   x = 15,869,477.60