Finding the Third Proportional to 91,838 and 141,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,838 : 141,851.50 = 141,851.50 : x
2. Step 2: Convert to fraction form
   91,838/141,851.50 = 141,851.50/x
3. Step 3: Cross multiply
   91,838x = 141,851.50 × 141,851.50
4. Step 4: Simplify right side
   91,838x = 20,121,848,052.25
5. Step 5: Solve for x
   x = 20,121,848,052.25/91,838
6. Step 6: Final answer
   x = 219,101.55