Finding the Third Proportional to 191,317.50 and 417,079

Step by Step Solution

1. Step 1: Write the proportion equation
   191,317.50 : 417,079 = 417,079 : x
2. Step 2: Convert to fraction form
   191,317.50/417,079 = 417,079/x
3. Step 3: Cross multiply
   191,317.50x = 417,079 × 417,079
4. Step 4: Simplify right side
   191,317.50x = 173,954,892,241
5. Step 5: Solve for x
   x = 173,954,892,241/191,317.50
6. Step 6: Final answer
   x = 909,247.15