Finding the Third Proportional to 868,930 and 1,817,309

Step by Step Solution

1. Step 1: Write the proportion equation
   868,930 : 1,817,309 = 1,817,309 : x
2. Step 2: Convert to fraction form
   868,930/1,817,309 = 1,817,309/x
3. Step 3: Cross multiply
   868,930x = 1,817,309 × 1,817,309
4. Step 4: Simplify right side
   868,930x = 3,302,612,001,481
5. Step 5: Solve for x
   x = 3,302,612,001,481/868,930
6. Step 6: Final answer
   x = 3,800,780.27