Finding the Third Proportional to 193,810 and 417,300

Step by Step Solution

1. Step 1: Write the proportion equation
   193,810 : 417,300 = 417,300 : x
2. Step 2: Convert to fraction form
   193,810/417,300 = 417,300/x
3. Step 3: Cross multiply
   193,810x = 417,300 × 417,300
4. Step 4: Simplify right side
   193,810x = 174,139,290,000
5. Step 5: Solve for x
   x = 174,139,290,000/193,810
6. Step 6: Final answer
   x = 898,505.19