Finding the Third Proportional to 851,780 and 1,876,394

Step by Step Solution

1. Step 1: Write the proportion equation
   851,780 : 1,876,394 = 1,876,394 : x
2. Step 2: Convert to fraction form
   851,780/1,876,394 = 1,876,394/x
3. Step 3: Cross multiply
   851,780x = 1,876,394 × 1,876,394
4. Step 4: Simplify right side
   851,780x = 3,520,854,443,236
5. Step 5: Solve for x
   x = 3,520,854,443,236/851,780
6. Step 6: Final answer
   x = 4,133,525.61