Finding the Third Proportional to 209,110.50 and 445,194

Step by Step Solution

1. Step 1: Write the proportion equation
   209,110.50 : 445,194 = 445,194 : x
2. Step 2: Convert to fraction form
   209,110.50/445,194 = 445,194/x
3. Step 3: Cross multiply
   209,110.50x = 445,194 × 445,194
4. Step 4: Simplify right side
   209,110.50x = 198,197,697,636
5. Step 5: Solve for x
   x = 198,197,697,636/209,110.50
6. Step 6: Final answer
   x = 947,813.23