Finding the Third Proportional to 905,508 and 1,885,428

Step by Step Solution

1. Step 1: Write the proportion equation
   905,508 : 1,885,428 = 1,885,428 : x
2. Step 2: Convert to fraction form
   905,508/1,885,428 = 1,885,428/x
3. Step 3: Cross multiply
   905,508x = 1,885,428 × 1,885,428
4. Step 4: Simplify right side
   905,508x = 3,554,838,743,184
5. Step 5: Solve for x
   x = 3,554,838,743,184/905,508
6. Step 6: Final answer
   x = 3,925,794.96