Finding the Third Proportional to 905,409 and 1,885,196

Step by Step Solution

1. Step 1: Write the proportion equation
   905,409 : 1,885,196 = 1,885,196 : x
2. Step 2: Convert to fraction form
   905,409/1,885,196 = 1,885,196/x
3. Step 3: Cross multiply
   905,409x = 1,885,196 × 1,885,196
4. Step 4: Simplify right side
   905,409x = 3,553,963,958,416
5. Step 5: Solve for x
   x = 3,553,963,958,416/905,409
6. Step 6: Final answer
   x = 3,925,258.04