Finding the Third Proportional to 100,956 and 212,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,956 : 212,368.50 = 212,368.50 : x
2. Step 2: Convert to fraction form
   100,956/212,368.50 = 212,368.50/x
3. Step 3: Cross multiply
   100,956x = 212,368.50 × 212,368.50
4. Step 4: Simplify right side
   100,956x = 45,100,379,792.25
5. Step 5: Solve for x
   x = 45,100,379,792.25/100,956
6. Step 6: Final answer
   x = 446,733.03