Finding the Third Proportional to 319,906.50 and 700,077

Step by Step Solution

1. Step 1: Write the proportion equation
   319,906.50 : 700,077 = 700,077 : x
2. Step 2: Convert to fraction form
   319,906.50/700,077 = 700,077/x
3. Step 3: Cross multiply
   319,906.50x = 700,077 × 700,077
4. Step 4: Simplify right side
   319,906.50x = 490,107,805,929
5. Step 5: Solve for x
   x = 490,107,805,929/319,906.50
6. Step 6: Final answer
   x = 1,532,034.53