Finding the Third Proportional to 191,057.63 and 404,872.88

Step by Step Solution

1. Step 1: Write the proportion equation
   191,057.63 : 404,872.88 = 404,872.88 : x
2. Step 2: Convert to fraction form
   191,057.63/404,872.88 = 404,872.88/x
3. Step 3: Cross multiply
   191,057.63x = 404,872.88 × 404,872.88
4. Step 4: Simplify right side
   191,057.63x = 163,922,044,910.77
5. Step 5: Solve for x
   x = 163,922,044,910.77/191,057.63
6. Step 6: Final answer
   x = 857,971.75