Finding the Third Proportional to 215,421 and 460,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,421 : 460,162.50 = 460,162.50 : x
2. Step 2: Convert to fraction form
   215,421/460,162.50 = 460,162.50/x
3. Step 3: Cross multiply
   215,421x = 460,162.50 × 460,162.50
4. Step 4: Simplify right side
   215,421x = 211,749,526,406.25
5. Step 5: Solve for x
   x = 211,749,526,406.25/215,421
6. Step 6: Final answer
   x = 982,956.75