Finding the Third Proportional to 720,697.50 and 1,105,477.88

Step by Step Solution

1. Step 1: Write the proportion equation
   720,697.50 : 1,105,477.88 = 1,105,477.88 : x
2. Step 2: Convert to fraction form
   720,697.50/1,105,477.88 = 1,105,477.88/x
3. Step 3: Cross multiply
   720,697.50x = 1,105,477.88 × 1,105,477.88
4. Step 4: Simplify right side
   720,697.50x = 1,222,081,332,114.52
5. Step 5: Solve for x
   x = 1,222,081,332,114.52/720,697.50
6. Step 6: Final answer
   x = 1,695,692.48