Finding the Third Proportional to 100,954.50 and 212,368

Step by Step Solution

1. Step 1: Write the proportion equation
   100,954.50 : 212,368 = 212,368 : x
2. Step 2: Convert to fraction form
   100,954.50/212,368 = 212,368/x
3. Step 3: Cross multiply
   100,954.50x = 212,368 × 212,368
4. Step 4: Simplify right side
   100,954.50x = 45,100,167,424
5. Step 5: Solve for x
   x = 45,100,167,424/100,954.50
6. Step 6: Final answer
   x = 446,737.56