Finding the Third Proportional to 70,275 and 98,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,275 : 98,860.50 = 98,860.50 : x
2. Step 2: Convert to fraction form
   70,275/98,860.50 = 98,860.50/x
3. Step 3: Cross multiply
   70,275x = 98,860.50 × 98,860.50
4. Step 4: Simplify right side
   70,275x = 9,773,398,460.25
5. Step 5: Solve for x
   x = 9,773,398,460.25/70,275
6. Step 6: Final answer
   x = 139,073.62