Finding the Third Proportional to 905,486 and 1,885,222

Step by Step Solution

1. Step 1: Write the proportion equation
   905,486 : 1,885,222 = 1,885,222 : x
2. Step 2: Convert to fraction form
   905,486/1,885,222 = 1,885,222/x
3. Step 3: Cross multiply
   905,486x = 1,885,222 × 1,885,222
4. Step 4: Simplify right side
   905,486x = 3,554,061,989,284
5. Step 5: Solve for x
   x = 3,554,061,989,284/905,486
6. Step 6: Final answer
   x = 3,925,032.51