Finding the Third Proportional to 319,519.50 and 700,152

Step by Step Solution

1. Step 1: Write the proportion equation
   319,519.50 : 700,152 = 700,152 : x
2. Step 2: Convert to fraction form
   319,519.50/700,152 = 700,152/x
3. Step 3: Cross multiply
   319,519.50x = 700,152 × 700,152
4. Step 4: Simplify right side
   319,519.50x = 490,212,823,104
5. Step 5: Solve for x
   x = 490,212,823,104/319,519.50
6. Step 6: Final answer
   x = 1,534,218.80