Finding the Third Proportional to 96,664.50 and 212,958

Step by Step Solution

1. Step 1: Write the proportion equation
   96,664.50 : 212,958 = 212,958 : x
2. Step 2: Convert to fraction form
   96,664.50/212,958 = 212,958/x
3. Step 3: Cross multiply
   96,664.50x = 212,958 × 212,958
4. Step 4: Simplify right side
   96,664.50x = 45,351,109,764
5. Step 5: Solve for x
   x = 45,351,109,764/96,664.50
6. Step 6: Final answer
   x = 469,159.93