Finding the Third Proportional to 926,399 and 1,981,219

Step by Step Solution

1. Step 1: Write the proportion equation
   926,399 : 1,981,219 = 1,981,219 : x
2. Step 2: Convert to fraction form
   926,399/1,981,219 = 1,981,219/x
3. Step 3: Cross multiply
   926,399x = 1,981,219 × 1,981,219
4. Step 4: Simplify right side
   926,399x = 3,925,228,725,961
5. Step 5: Solve for x
   x = 3,925,228,725,961/926,399
6. Step 6: Final answer
   x = 4,237,082.21