Finding the Third Proportional to 1,004,406 and 1,515,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004,406 : 1,515,664.50 = 1,515,664.50 : x
2. Step 2: Convert to fraction form
   1,004,406/1,515,664.50 = 1,515,664.50/x
3. Step 3: Cross multiply
   1,004,406x = 1,515,664.50 × 1,515,664.50
4. Step 4: Simplify right side
   1,004,406x = 2,297,238,876,560.25
5. Step 5: Solve for x
   x = 2,297,238,876,560.25/1,004,406
6. Step 6: Final answer
   x = 2,287,161.64