Finding the Third Proportional to 522,025.50 and 1,139,928

Step by Step Solution

1. Step 1: Write the proportion equation
   522,025.50 : 1,139,928 = 1,139,928 : x
2. Step 2: Convert to fraction form
   522,025.50/1,139,928 = 1,139,928/x
3. Step 3: Cross multiply
   522,025.50x = 1,139,928 × 1,139,928
4. Step 4: Simplify right side
   522,025.50x = 1,299,435,845,184
5. Step 5: Solve for x
   x = 1,299,435,845,184/522,025.50
6. Step 6: Final answer
   x = 2,489,219.10