Finding the Third Proportional to 173,782.50 and 380,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,782.50 : 380,779.50 = 380,779.50 : x
2. Step 2: Convert to fraction form
   173,782.50/380,779.50 = 380,779.50/x
3. Step 3: Cross multiply
   173,782.50x = 380,779.50 × 380,779.50
4. Step 4: Simplify right side
   173,782.50x = 144,993,027,620.25
5. Step 5: Solve for x
   x = 144,993,027,620.25/173,782.50
6. Step 6: Final answer
   x = 834,336.18