Finding the Third Proportional to 202,121 and 440,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   202,121 : 440,100.50 = 440,100.50 : x
2. Step 2: Convert to fraction form
   202,121/440,100.50 = 440,100.50/x
3. Step 3: Cross multiply
   202,121x = 440,100.50 × 440,100.50
4. Step 4: Simplify right side
   202,121x = 193,688,450,100.25
5. Step 5: Solve for x
   x = 193,688,450,100.25/202,121
6. Step 6: Final answer
   x = 958,279.69