Finding the Third Proportional to 99,927 and 212,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,927 : 212,800.50 = 212,800.50 : x
2. Step 2: Convert to fraction form
   99,927/212,800.50 = 212,800.50/x
3. Step 3: Cross multiply
   99,927x = 212,800.50 × 212,800.50
4. Step 4: Simplify right side
   99,927x = 45,284,052,800.25
5. Step 5: Solve for x
   x = 45,284,052,800.25/99,927
6. Step 6: Final answer
   x = 453,171.34