Finding the Third Proportional to 3,153,352.78 and 4,140,613.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,153,352.78 : 4,140,613.69 = 4,140,613.69 : x
2. Step 2: Convert to fraction form
   3,153,352.78/4,140,613.69 = 4,140,613.69/x
3. Step 3: Cross multiply
   3,153,352.78x = 4,140,613.69 × 4,140,613.69
4. Step 4: Simplify right side
   3,153,352.78x = 17,144,681,709,112.35
5. Step 5: Solve for x
   x = 17,144,681,709,112.35/3,153,352.78
6. Step 6: Final answer
   x = 5,436,969.12