Finding the Third Proportional to 98,991 and 141,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,991 : 141,043.50 = 141,043.50 : x
2. Step 2: Convert to fraction form
   98,991/141,043.50 = 141,043.50/x
3. Step 3: Cross multiply
   98,991x = 141,043.50 × 141,043.50
4. Step 4: Simplify right side
   98,991x = 19,893,268,892.25
5. Step 5: Solve for x
   x = 19,893,268,892.25/98,991
6. Step 6: Final answer
   x = 200,960.38