Finding the Third Proportional to 21,528.42 and 45,619.45

Step by Step Solution

1. Step 1: Write the proportion equation
   21,528.42 : 45,619.45 = 45,619.45 : x
2. Step 2: Convert to fraction form
   21,528.42/45,619.45 = 45,619.45/x
3. Step 3: Cross multiply
   21,528.42x = 45,619.45 × 45,619.45
4. Step 4: Simplify right side
   21,528.42x = 2,081,134,503.42
5. Step 5: Solve for x
   x = 2,081,134,503.42/21,528.42
6. Step 6: Final answer
   x = 96,669.16