Finding the Third Proportional to 386,340.75 and 839,151

Step by Step Solution

1. Step 1: Write the proportion equation
   386,340.75 : 839,151 = 839,151 : x
2. Step 2: Convert to fraction form
   386,340.75/839,151 = 839,151/x
3. Step 3: Cross multiply
   386,340.75x = 839,151 × 839,151
4. Step 4: Simplify right side
   386,340.75x = 704,174,400,801
5. Step 5: Solve for x
   x = 704,174,400,801/386,340.75
6. Step 6: Final answer
   x = 1,822,677.00