Finding the Third Proportional to 191,090 and 404,932

Step by Step Solution

1. Step 1: Write the proportion equation
   191,090 : 404,932 = 404,932 : x
2. Step 2: Convert to fraction form
   191,090/404,932 = 404,932/x
3. Step 3: Cross multiply
   191,090x = 404,932 × 404,932
4. Step 4: Simplify right side
   191,090x = 163,969,924,624
5. Step 5: Solve for x
   x = 163,969,924,624/191,090
6. Step 6: Final answer
   x = 858,076.95