Finding the Third Proportional to 99,047.25 and 148,212

Step by Step Solution

1. Step 1: Write the proportion equation
   99,047.25 : 148,212 = 148,212 : x
2. Step 2: Convert to fraction form
   99,047.25/148,212 = 148,212/x
3. Step 3: Cross multiply
   99,047.25x = 148,212 × 148,212
4. Step 4: Simplify right side
   99,047.25x = 21,966,796,944
5. Step 5: Solve for x
   x = 21,966,796,944/99,047.25
6. Step 6: Final answer
   x = 221,780.99