Finding the Third Proportional to 890,700 and 1,868,928

Step by Step Solution

1. Step 1: Write the proportion equation
   890,700 : 1,868,928 = 1,868,928 : x
2. Step 2: Convert to fraction form
   890,700/1,868,928 = 1,868,928/x
3. Step 3: Cross multiply
   890,700x = 1,868,928 × 1,868,928
4. Step 4: Simplify right side
   890,700x = 3,492,891,869,184
5. Step 5: Solve for x
   x = 3,492,891,869,184/890,700
6. Step 6: Final answer
   x = 3,921,513.27