Finding the Third Proportional to 407,694 and 599,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,694 : 599,557.50 = 599,557.50 : x
2. Step 2: Convert to fraction form
   407,694/599,557.50 = 599,557.50/x
3. Step 3: Cross multiply
   407,694x = 599,557.50 × 599,557.50
4. Step 4: Simplify right side
   407,694x = 359,469,195,806.25
5. Step 5: Solve for x
   x = 359,469,195,806.25/407,694
6. Step 6: Final answer
   x = 881,713.24