Finding the Third Proportional to 98,699.06 and 140,667.47

Step by Step Solution

1. Step 1: Write the proportion equation
   98,699.06 : 140,667.47 = 140,667.47 : x
2. Step 2: Convert to fraction form
   98,699.06/140,667.47 = 140,667.47/x
3. Step 3: Cross multiply
   98,699.06x = 140,667.47 × 140,667.47
4. Step 4: Simplify right side
   98,699.06x = 19,787,336,764.53
5. Step 5: Solve for x
   x = 19,787,336,764.53/98,699.06
6. Step 6: Final answer
   x = 200,481.51