Finding the Third Proportional to 718,692 and 1,563,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   718,692 : 1,563,499.50 = 1,563,499.50 : x
2. Step 2: Convert to fraction form
   718,692/1,563,499.50 = 1,563,499.50/x
3. Step 3: Cross multiply
   718,692x = 1,563,499.50 × 1,563,499.50
4. Step 4: Simplify right side
   718,692x = 2,444,530,686,500.25
5. Step 5: Solve for x
   x = 2,444,530,686,500.25/718,692
6. Step 6: Final answer
   x = 3,401,360.65