Finding the Third Proportional to 70,031.25 and 100,672.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,031.25 : 100,672.88 = 100,672.88 : x
2. Step 2: Convert to fraction form
   70,031.25/100,672.88 = 100,672.88/x
3. Step 3: Cross multiply
   70,031.25x = 100,672.88 × 100,672.88
4. Step 4: Simplify right side
   70,031.25x = 10,135,027,760.77
5. Step 5: Solve for x
   x = 10,135,027,760.77/70,031.25
6. Step 6: Final answer
   x = 144,721.50