Finding the Third Proportional to 583,297.88 and 899,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   583,297.88 : 899,820.56 = 899,820.56 : x
2. Step 2: Convert to fraction form
   583,297.88/899,820.56 = 899,820.56/x
3. Step 3: Cross multiply
   583,297.88x = 899,820.56 × 899,820.56
4. Step 4: Simplify right side
   583,297.88x = 809,677,044,697.82
5. Step 5: Solve for x
   x = 809,677,044,697.82/583,297.88
6. Step 6: Final answer
   x = 1,388,102.17