Finding the Third Proportional to 173,799 and 380,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,799 : 380,815.50 = 380,815.50 : x
2. Step 2: Convert to fraction form
   173,799/380,815.50 = 380,815.50/x
3. Step 3: Cross multiply
   173,799x = 380,815.50 × 380,815.50
4. Step 4: Simplify right side
   173,799x = 145,020,445,040.25
5. Step 5: Solve for x
   x = 145,020,445,040.25/173,799
6. Step 6: Final answer
   x = 834,414.73