Finding the Third Proportional to 100,959 and 212,374.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,959 : 212,374.50 = 212,374.50 : x
2. Step 2: Convert to fraction form
   100,959/212,374.50 = 212,374.50/x
3. Step 3: Cross multiply
   100,959x = 212,374.50 × 212,374.50
4. Step 4: Simplify right side
   100,959x = 45,102,928,250.25
5. Step 5: Solve for x
   x = 45,102,928,250.25/100,959
6. Step 6: Final answer
   x = 446,745.00