Finding the Third Proportional to 94,018.50 and 206,640

Step by Step Solution

1. Step 1: Write the proportion equation
   94,018.50 : 206,640 = 206,640 : x
2. Step 2: Convert to fraction form
   94,018.50/206,640 = 206,640/x
3. Step 3: Cross multiply
   94,018.50x = 206,640 × 206,640
4. Step 4: Simplify right side
   94,018.50x = 42,700,089,600
5. Step 5: Solve for x
   x = 42,700,089,600/94,018.50
6. Step 6: Final answer
   x = 454,166.89