Finding the Third Proportional to 868,898 and 1,817,199

Step by Step Solution

1. Step 1: Write the proportion equation
   868,898 : 1,817,199 = 1,817,199 : x
2. Step 2: Convert to fraction form
   868,898/1,817,199 = 1,817,199/x
3. Step 3: Cross multiply
   868,898x = 1,817,199 × 1,817,199
4. Step 4: Simplify right side
   868,898x = 3,302,212,205,601
5. Step 5: Solve for x
   x = 3,302,212,205,601/868,898
6. Step 6: Final answer
   x = 3,800,460.13