Finding the Third Proportional to 28,669.50 and 61,443

Step by Step Solution

1. Step 1: Write the proportion equation
   28,669.50 : 61,443 = 61,443 : x
2. Step 2: Convert to fraction form
   28,669.50/61,443 = 61,443/x
3. Step 3: Cross multiply
   28,669.50x = 61,443 × 61,443
4. Step 4: Simplify right side
   28,669.50x = 3,775,242,249
5. Step 5: Solve for x
   x = 3,775,242,249/28,669.50
6. Step 6: Final answer
   x = 131,681.48