Finding the Third Proportional to 415,803 and 632,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   415,803 : 632,452.50 = 632,452.50 : x
2. Step 2: Convert to fraction form
   415,803/632,452.50 = 632,452.50/x
3. Step 3: Cross multiply
   415,803x = 632,452.50 × 632,452.50
4. Step 4: Simplify right side
   415,803x = 399,996,164,756.25
5. Step 5: Solve for x
   x = 399,996,164,756.25/415,803
6. Step 6: Final answer
   x = 961,984.80