Finding the Third Proportional to 99,615 and 148,008

Step by Step Solution

1. Step 1: Write the proportion equation
   99,615 : 148,008 = 148,008 : x
2. Step 2: Convert to fraction form
   99,615/148,008 = 148,008/x
3. Step 3: Cross multiply
   99,615x = 148,008 × 148,008
4. Step 4: Simplify right side
   99,615x = 21,906,368,064
5. Step 5: Solve for x
   x = 21,906,368,064/99,615
6. Step 6: Final answer
   x = 219,910.34