Finding the Third Proportional to 905,512 and 1,885,436

Step by Step Solution

1. Step 1: Write the proportion equation
   905,512 : 1,885,436 = 1,885,436 : x
2. Step 2: Convert to fraction form
   905,512/1,885,436 = 1,885,436/x
3. Step 3: Cross multiply
   905,512x = 1,885,436 × 1,885,436
4. Step 4: Simplify right side
   905,512x = 3,554,868,910,096
5. Step 5: Solve for x
   x = 3,554,868,910,096/905,512
6. Step 6: Final answer
   x = 3,925,810.93