Finding the Third Proportional to 1,619,688 and 3,868,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,688 : 3,868,392 = 3,868,392 : x
2. Step 2: Convert to fraction form
   1,619,688/3,868,392 = 3,868,392/x
3. Step 3: Cross multiply
   1,619,688x = 3,868,392 × 3,868,392
4. Step 4: Simplify right side
   1,619,688x = 14,964,456,665,664
5. Step 5: Solve for x
   x = 14,964,456,665,664/1,619,688
6. Step 6: Final answer
   x = 9,239,098.31