Finding the Third Proportional to 191,322 and 417,091

Step by Step Solution

1. Step 1: Write the proportion equation
   191,322 : 417,091 = 417,091 : x
2. Step 2: Convert to fraction form
   191,322/417,091 = 417,091/x
3. Step 3: Cross multiply
   191,322x = 417,091 × 417,091
4. Step 4: Simplify right side
   191,322x = 173,964,902,281
5. Step 5: Solve for x
   x = 173,964,902,281/191,322
6. Step 6: Final answer
   x = 909,278.09