Finding the Third Proportional to 210,372 and 462,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,372 : 462,805.50 = 462,805.50 : x
2. Step 2: Convert to fraction form
   210,372/462,805.50 = 462,805.50/x
3. Step 3: Cross multiply
   210,372x = 462,805.50 × 462,805.50
4. Step 4: Simplify right side
   210,372x = 214,188,930,830.25
5. Step 5: Solve for x
   x = 214,188,930,830.25/210,372
6. Step 6: Final answer
   x = 1,018,143.72