Finding the Third Proportional to 70,606.69 and 98,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,606.69 : 98,756.72 = 98,756.72 : x
2. Step 2: Convert to fraction form
   70,606.69/98,756.72 = 98,756.72/x
3. Step 3: Cross multiply
   70,606.69x = 98,756.72 × 98,756.72
4. Step 4: Simplify right side
   70,606.69x = 9,752,889,498.27
5. Step 5: Solve for x
   x = 9,752,889,498.27/70,606.69
6. Step 6: Final answer
   x = 138,129.83