Finding the Third Proportional to 926,397 and 1,981,215

Step by Step Solution

1. Step 1: Write the proportion equation
   926,397 : 1,981,215 = 1,981,215 : x
2. Step 2: Convert to fraction form
   926,397/1,981,215 = 1,981,215/x
3. Step 3: Cross multiply
   926,397x = 1,981,215 × 1,981,215
4. Step 4: Simplify right side
   926,397x = 3,925,212,876,225
5. Step 5: Solve for x
   x = 3,925,212,876,225/926,397
6. Step 6: Final answer
   x = 4,237,074.25