Finding the Third Proportional to 9,875.67 and 21,570.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,875.67 : 21,570.05 = 21,570.05 : x
2. Step 2: Convert to fraction form
   9,875.67/21,570.05 = 21,570.05/x
3. Step 3: Cross multiply
   9,875.67x = 21,570.05 × 21,570.05
4. Step 4: Simplify right side
   9,875.67x = 465,266,922.19
5. Step 5: Solve for x
   x = 465,266,922.19/9,875.67
6. Step 6: Final answer
   x = 47,112.43