Finding the Third Proportional to 94,290.75 and 128,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   94,290.75 : 128,131.88 = 128,131.88 : x
2. Step 2: Convert to fraction form
   94,290.75/128,131.88 = 128,131.88/x
3. Step 3: Cross multiply
   94,290.75x = 128,131.88 × 128,131.88
4. Step 4: Simplify right side
   94,290.75x = 16,417,777,391.02
5. Step 5: Solve for x
   x = 16,417,777,391.02/94,290.75
6. Step 6: Final answer
   x = 174,118.64