Finding the Third Proportional to 462,807 and 699,144.75

Step by Step Solution

1. Step 1: Write the proportion equation
   462,807 : 699,144.75 = 699,144.75 : x
2. Step 2: Convert to fraction form
   462,807/699,144.75 = 699,144.75/x
3. Step 3: Cross multiply
   462,807x = 699,144.75 × 699,144.75
4. Step 4: Simplify right side
   462,807x = 488,803,381,452.56
5. Step 5: Solve for x
   x = 488,803,381,452.56/462,807
6. Step 6: Final answer
   x = 1,056,171.11