Finding the Third Proportional to 210,856.50 and 464,913

Step by Step Solution

1. Step 1: Write the proportion equation
   210,856.50 : 464,913 = 464,913 : x
2. Step 2: Convert to fraction form
   210,856.50/464,913 = 464,913/x
3. Step 3: Cross multiply
   210,856.50x = 464,913 × 464,913
4. Step 4: Simplify right side
   210,856.50x = 216,144,097,569
5. Step 5: Solve for x
   x = 216,144,097,569/210,856.50
6. Step 6: Final answer
   x = 1,025,076.76