Finding the Third Proportional to 66,625.88 and 88,031.81

Step by Step Solution

1. Step 1: Write the proportion equation
   66,625.88 : 88,031.81 = 88,031.81 : x
2. Step 2: Convert to fraction form
   66,625.88/88,031.81 = 88,031.81/x
3. Step 3: Cross multiply
   66,625.88x = 88,031.81 × 88,031.81
4. Step 4: Simplify right side
   66,625.88x = 7,749,600,012.04
5. Step 5: Solve for x
   x = 7,749,600,012.04/66,625.88
6. Step 6: Final answer
   x = 116,315.17