Finding the Third Proportional to 2,123,622 and 4,620,492

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,622 : 4,620,492 = 4,620,492 : x
2. Step 2: Convert to fraction form
   2,123,622/4,620,492 = 4,620,492/x
3. Step 3: Cross multiply
   2,123,622x = 4,620,492 × 4,620,492
4. Step 4: Simplify right side
   2,123,622x = 21,348,946,322,064
5. Step 5: Solve for x
   x = 21,348,946,322,064/2,123,622
6. Step 6: Final answer
   x = 10,053,082.10