Finding the Third Proportional to 987,048 and 2,123,820

Step by Step Solution

1. Step 1: Write the proportion equation
   987,048 : 2,123,820 = 2,123,820 : x
2. Step 2: Convert to fraction form
   987,048/2,123,820 = 2,123,820/x
3. Step 3: Cross multiply
   987,048x = 2,123,820 × 2,123,820
4. Step 4: Simplify right side
   987,048x = 4,510,611,392,400
5. Step 5: Solve for x
   x = 4,510,611,392,400/987,048
6. Step 6: Final answer
   x = 4,569,799.43