Finding the Third Proportional to 61,026.50 and 128,614

Step by Step Solution

1. Step 1: Write the proportion equation
   61,026.50 : 128,614 = 128,614 : x
2. Step 2: Convert to fraction form
   61,026.50/128,614 = 128,614/x
3. Step 3: Cross multiply
   61,026.50x = 128,614 × 128,614
4. Step 4: Simplify right side
   61,026.50x = 16,541,560,996
5. Step 5: Solve for x
   x = 16,541,560,996/61,026.50
6. Step 6: Final answer
   x = 271,055.38