Finding the Third Proportional to 137,091 and 317,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,091 : 317,671.50 = 317,671.50 : x
2. Step 2: Convert to fraction form
   137,091/317,671.50 = 317,671.50/x
3. Step 3: Cross multiply
   137,091x = 317,671.50 × 317,671.50
4. Step 4: Simplify right side
   137,091x = 100,915,181,912.25
5. Step 5: Solve for x
   x = 100,915,181,912.25/137,091
6. Step 6: Final answer
   x = 736,118.21