Finding the Third Proportional to 191,308 and 417,063

Step by Step Solution

1. Step 1: Write the proportion equation
   191,308 : 417,063 = 417,063 : x
2. Step 2: Convert to fraction form
   191,308/417,063 = 417,063/x
3. Step 3: Cross multiply
   191,308x = 417,063 × 417,063
4. Step 4: Simplify right side
   191,308x = 173,941,545,969
5. Step 5: Solve for x
   x = 173,941,545,969/191,308
6. Step 6: Final answer
   x = 909,222.54