Finding the Third Proportional to 9,925.98 and 21,290.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.98 : 21,290.03 = 21,290.03 : x
2. Step 2: Convert to fraction form
   9,925.98/21,290.03 = 21,290.03/x
3. Step 3: Cross multiply
   9,925.98x = 21,290.03 × 21,290.03
4. Step 4: Simplify right side
   9,925.98x = 453,265,264.30
5. Step 5: Solve for x
   x = 453,265,264.30/9,925.98
6. Step 6: Final answer
   x = 45,664.53