Finding the Third Proportional to 478,871 and 714,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,871 : 714,153.50 = 714,153.50 : x
2. Step 2: Convert to fraction form
   478,871/714,153.50 = 714,153.50/x
3. Step 3: Cross multiply
   478,871x = 714,153.50 × 714,153.50
4. Step 4: Simplify right side
   478,871x = 510,015,221,562.25
5. Step 5: Solve for x
   x = 510,015,221,562.25/478,871
6. Step 6: Final answer
   x = 1,065,036.77