Finding the Third Proportional to 9,958 and 21,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958 : 21,471.50 = 21,471.50 : x
2. Step 2: Convert to fraction form
   9,958/21,471.50 = 21,471.50/x
3. Step 3: Cross multiply
   9,958x = 21,471.50 × 21,471.50
4. Step 4: Simplify right side
   9,958x = 461,025,312.25
5. Step 5: Solve for x
   x = 461,025,312.25/9,958
6. Step 6: Final answer
   x = 46,296.98