Finding the Third Proportional to 3,605,825 and 5,575,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,825 : 5,575,789.50 = 5,575,789.50 : x
2. Step 2: Convert to fraction form
   3,605,825/5,575,789.50 = 5,575,789.50/x
3. Step 3: Cross multiply
   3,605,825x = 5,575,789.50 × 5,575,789.50
4. Step 4: Simplify right side
   3,605,825x = 31,089,428,548,310.25
5. Step 5: Solve for x
   x = 31,089,428,548,310.25/3,605,825
6. Step 6: Final answer
   x = 8,622,001.50