Finding the Third Proportional to 478,929 and 697,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,929 : 697,333.50 = 697,333.50 : x
2. Step 2: Convert to fraction form
   478,929/697,333.50 = 697,333.50/x
3. Step 3: Cross multiply
   478,929x = 697,333.50 × 697,333.50
4. Step 4: Simplify right side
   478,929x = 486,274,010,222.25
5. Step 5: Solve for x
   x = 486,274,010,222.25/478,929
6. Step 6: Final answer
   x = 1,015,336.32