Finding the Third Proportional to 463,809 and 676,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   463,809 : 676,030.50 = 676,030.50 : x
2. Step 2: Convert to fraction form
   463,809/676,030.50 = 676,030.50/x
3. Step 3: Cross multiply
   463,809x = 676,030.50 × 676,030.50
4. Step 4: Simplify right side
   463,809x = 457,017,236,930.25
5. Step 5: Solve for x
   x = 457,017,236,930.25/463,809
6. Step 6: Final answer
   x = 985,356.55