Finding the Third Proportional to 20,839.88 and 45,506.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,839.88 : 45,506.63 = 45,506.63 : x
2. Step 2: Convert to fraction form
   20,839.88/45,506.63 = 45,506.63/x
3. Step 3: Cross multiply
   20,839.88x = 45,506.63 × 45,506.63
4. Step 4: Simplify right side
   20,839.88x = 2,070,852,918.89
5. Step 5: Solve for x
   x = 2,070,852,918.89/20,839.88
6. Step 6: Final answer
   x = 99,369.74