Finding the Third Proportional to 173,740 and 380,726

Step by Step Solution

1. Step 1: Write the proportion equation
   173,740 : 380,726 = 380,726 : x
2. Step 2: Convert to fraction form
   173,740/380,726 = 380,726/x
3. Step 3: Cross multiply
   173,740x = 380,726 × 380,726
4. Step 4: Simplify right side
   173,740x = 144,952,287,076
5. Step 5: Solve for x
   x = 144,952,287,076/173,740
6. Step 6: Final answer
   x = 834,305.78