Finding the Third Proportional to 191,776.50 and 417,015

Step by Step Solution

1. Step 1: Write the proportion equation
   191,776.50 : 417,015 = 417,015 : x
2. Step 2: Convert to fraction form
   191,776.50/417,015 = 417,015/x
3. Step 3: Cross multiply
   191,776.50x = 417,015 × 417,015
4. Step 4: Simplify right side
   191,776.50x = 173,901,510,225
5. Step 5: Solve for x
   x = 173,901,510,225/191,776.50
6. Step 6: Final answer
   x = 906,792.60