Finding the Third Proportional to 191,647.50 and 416,853

Step by Step Solution

1. Step 1: Write the proportion equation
   191,647.50 : 416,853 = 416,853 : x
2. Step 2: Convert to fraction form
   191,647.50/416,853 = 416,853/x
3. Step 3: Cross multiply
   191,647.50x = 416,853 × 416,853
4. Step 4: Simplify right side
   191,647.50x = 173,766,423,609
5. Step 5: Solve for x
   x = 173,766,423,609/191,647.50
6. Step 6: Final answer
   x = 906,698.10