Finding the Third Proportional to 16,428,356.72 and 35,055,567.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,428,356.72 : 35,055,567.28 = 35,055,567.28 : x
2. Step 2: Convert to fraction form
   16,428,356.72/35,055,567.28 = 35,055,567.28/x
3. Step 3: Cross multiply
   16,428,356.72x = 35,055,567.28 × 35,055,567.28
4. Step 4: Simplify right side
   16,428,356.72x = 1,228,892,797,410,245.50
5. Step 5: Solve for x
   x = 1,228,892,797,410,245.50/16,428,356.72
6. Step 6: Final answer
   x = 74,803,147.90