Finding the Third Proportional to 319,926 and 700,116

Step by Step Solution

1. Step 1: Write the proportion equation
   319,926 : 700,116 = 700,116 : x
2. Step 2: Convert to fraction form
   319,926/700,116 = 700,116/x
3. Step 3: Cross multiply
   319,926x = 700,116 × 700,116
4. Step 4: Simplify right side
   319,926x = 490,162,413,456
5. Step 5: Solve for x
   x = 490,162,413,456/319,926
6. Step 6: Final answer
   x = 1,532,111.84