Finding the Third Proportional to 99,684 and 148,086

Step by Step Solution

1. Step 1: Write the proportion equation
   99,684 : 148,086 = 148,086 : x
2. Step 2: Convert to fraction form
   99,684/148,086 = 148,086/x
3. Step 3: Cross multiply
   99,684x = 148,086 × 148,086
4. Step 4: Simplify right side
   99,684x = 21,929,463,396
5. Step 5: Solve for x
   x = 21,929,463,396/99,684
6. Step 6: Final answer
   x = 219,989.80