Finding the Third Proportional to 439,723.69 and 696,848.06

Step by Step Solution

1. Step 1: Write the proportion equation
   439,723.69 : 696,848.06 = 696,848.06 : x
2. Step 2: Convert to fraction form
   439,723.69/696,848.06 = 696,848.06/x
3. Step 3: Cross multiply
   439,723.69x = 696,848.06 × 696,848.06
4. Step 4: Simplify right side
   439,723.69x = 485,597,222,210.00
5. Step 5: Solve for x
   x = 485,597,222,210.00/439,723.69
6. Step 6: Final answer
   x = 1,104,323.55