Finding the Third Proportional to 1,928,913 and 4,123,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,913 : 4,123,560 = 4,123,560 : x
2. Step 2: Convert to fraction form
   1,928,913/4,123,560 = 4,123,560/x
3. Step 3: Cross multiply
   1,928,913x = 4,123,560 × 4,123,560
4. Step 4: Simplify right side
   1,928,913x = 17,003,747,073,600
5. Step 5: Solve for x
   x = 17,003,747,073,600/1,928,913
6. Step 6: Final answer
   x = 8,815,196.47