Finding the Third Proportional to 621,468 and 940,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   621,468 : 940,603.50 = 940,603.50 : x
2. Step 2: Convert to fraction form
   621,468/940,603.50 = 940,603.50/x
3. Step 3: Cross multiply
   621,468x = 940,603.50 × 940,603.50
4. Step 4: Simplify right side
   621,468x = 884,734,944,212.25
5. Step 5: Solve for x
   x = 884,734,944,212.25/621,468
6. Step 6: Final answer
   x = 1,423,621.08