Finding the Third Proportional to 137,070 and 317,297.25

Step by Step Solution

1. Step 1: Write the proportion equation
   137,070 : 317,297.25 = 317,297.25 : x
2. Step 2: Convert to fraction form
   137,070/317,297.25 = 317,297.25/x
3. Step 3: Cross multiply
   137,070x = 317,297.25 × 317,297.25
4. Step 4: Simplify right side
   137,070x = 100,677,544,857.56
5. Step 5: Solve for x
   x = 100,677,544,857.56/137,070
6. Step 6: Final answer
   x = 734,497.30