Finding the Third Proportional to 905,490 and 1,899,108

Step by Step Solution

1. Step 1: Write the proportion equation
   905,490 : 1,899,108 = 1,899,108 : x
2. Step 2: Convert to fraction form
   905,490/1,899,108 = 1,899,108/x
3. Step 3: Cross multiply
   905,490x = 1,899,108 × 1,899,108
4. Step 4: Simplify right side
   905,490x = 3,606,611,195,664
5. Step 5: Solve for x
   x = 3,606,611,195,664/905,490
6. Step 6: Final answer
   x = 3,983,049.17