Finding the Third Proportional to 380,738.25 and 836,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   380,738.25 : 836,779.50 = 836,779.50 : x
2. Step 2: Convert to fraction form
   380,738.25/836,779.50 = 836,779.50/x
3. Step 3: Cross multiply
   380,738.25x = 836,779.50 × 836,779.50
4. Step 4: Simplify right side
   380,738.25x = 700,199,931,620.25
5. Step 5: Solve for x
   x = 700,199,931,620.25/380,738.25
6. Step 6: Final answer
   x = 1,839,058.54