Finding the Third Proportional to 1,528,201.69 and 3,181,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,201.69 : 3,181,978.69 = 3,181,978.69 : x
2. Step 2: Convert to fraction form
   1,528,201.69/3,181,978.69 = 3,181,978.69/x
3. Step 3: Cross multiply
   1,528,201.69x = 3,181,978.69 × 3,181,978.69
4. Step 4: Simplify right side
   1,528,201.69x = 10,124,988,367,704.22
5. Step 5: Solve for x
   x = 10,124,988,367,704.22/1,528,201.69
6. Step 6: Final answer
   x = 6,625,426.77