Finding the Third Proportional to 98,484.38 and 143,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,484.38 : 143,419.50 = 143,419.50 : x
2. Step 2: Convert to fraction form
   98,484.38/143,419.50 = 143,419.50/x
3. Step 3: Cross multiply
   98,484.38x = 143,419.50 × 143,419.50
4. Step 4: Simplify right side
   98,484.38x = 20,569,152,980.25
5. Step 5: Solve for x
   x = 20,569,152,980.25/98,484.38
6. Step 6: Final answer
   x = 208,857.02