Finding the Third Proportional to 191,460 and 417,360

Step by Step Solution

1. Step 1: Write the proportion equation
   191,460 : 417,360 = 417,360 : x
2. Step 2: Convert to fraction form
   191,460/417,360 = 417,360/x
3. Step 3: Cross multiply
   191,460x = 417,360 × 417,360
4. Step 4: Simplify right side
   191,460x = 174,189,369,600
5. Step 5: Solve for x
   x = 174,189,369,600/191,460
6. Step 6: Final answer
   x = 909,795.10