Finding the Third Proportional to 210,150 and 456,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,150 : 456,022.50 = 456,022.50 : x
2. Step 2: Convert to fraction form
   210,150/456,022.50 = 456,022.50/x
3. Step 3: Cross multiply
   210,150x = 456,022.50 × 456,022.50
4. Step 4: Simplify right side
   210,150x = 207,956,520,506.25
5. Step 5: Solve for x
   x = 207,956,520,506.25/210,150
6. Step 6: Final answer
   x = 989,562.32