Finding the Third Proportional to 3,530,306 and 5,455,218

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,306 : 5,455,218 = 5,455,218 : x
2. Step 2: Convert to fraction form
   3,530,306/5,455,218 = 5,455,218/x
3. Step 3: Cross multiply
   3,530,306x = 5,455,218 × 5,455,218
4. Step 4: Simplify right side
   3,530,306x = 29,759,403,427,524
5. Step 5: Solve for x
   x = 29,759,403,427,524/3,530,306
6. Step 6: Final answer
   x = 8,429,695.17