Finding the Third Proportional to 104,436 and 214,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,436 : 214,402.50 = 214,402.50 : x
2. Step 2: Convert to fraction form
   104,436/214,402.50 = 214,402.50/x
3. Step 3: Cross multiply
   104,436x = 214,402.50 × 214,402.50
4. Step 4: Simplify right side
   104,436x = 45,968,432,006.25
5. Step 5: Solve for x
   x = 45,968,432,006.25/104,436
6. Step 6: Final answer
   x = 440,158.87