Finding the Third Proportional to 507,426 and 1,115,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   507,426 : 1,115,290.50 = 1,115,290.50 : x
2. Step 2: Convert to fraction form
   507,426/1,115,290.50 = 1,115,290.50/x
3. Step 3: Cross multiply
   507,426x = 1,115,290.50 × 1,115,290.50
4. Step 4: Simplify right side
   507,426x = 1,243,872,899,390.25
5. Step 5: Solve for x
   x = 1,243,872,899,390.25/507,426
6. Step 6: Final answer
   x = 2,451,338.52