Finding the Third Proportional to 46,181.50 and 99,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,181.50 : 99,731.50 = 99,731.50 : x
2. Step 2: Convert to fraction form
   46,181.50/99,731.50 = 99,731.50/x
3. Step 3: Cross multiply
   46,181.50x = 99,731.50 × 99,731.50
4. Step 4: Simplify right side
   46,181.50x = 9,946,372,092.25
5. Step 5: Solve for x
   x = 9,946,372,092.25/46,181.50
6. Step 6: Final answer
   x = 215,375.68