Finding the Third Proportional to 1,123,692 and 1,643,490

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,692 : 1,643,490 = 1,643,490 : x
2. Step 2: Convert to fraction form
   1,123,692/1,643,490 = 1,643,490/x
3. Step 3: Cross multiply
   1,123,692x = 1,643,490 × 1,643,490
4. Step 4: Simplify right side
   1,123,692x = 2,701,059,380,100
5. Step 5: Solve for x
   x = 2,701,059,380,100/1,123,692
6. Step 6: Final answer
   x = 2,403,736.42