Finding the Third Proportional to 103,480.50 and 142,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,480.50 : 142,483.50 = 142,483.50 : x
2. Step 2: Convert to fraction form
   103,480.50/142,483.50 = 142,483.50/x
3. Step 3: Cross multiply
   103,480.50x = 142,483.50 × 142,483.50
4. Step 4: Simplify right side
   103,480.50x = 20,301,547,772.25
5. Step 5: Solve for x
   x = 20,301,547,772.25/103,480.50
6. Step 6: Final answer
   x = 196,187.18