Finding the Third Proportional to 873,680 and 1,868,801

Step by Step Solution

1. Step 1: Write the proportion equation
   873,680 : 1,868,801 = 1,868,801 : x
2. Step 2: Convert to fraction form
   873,680/1,868,801 = 1,868,801/x
3. Step 3: Cross multiply
   873,680x = 1,868,801 × 1,868,801
4. Step 4: Simplify right side
   873,680x = 3,492,417,177,601
5. Step 5: Solve for x
   x = 3,492,417,177,601/873,680
6. Step 6: Final answer
   x = 3,997,364.23