Finding the Third Proportional to 72,007 and 148,610

Step by Step Solution

1. Step 1: Write the proportion equation
   72,007 : 148,610 = 148,610 : x
2. Step 2: Convert to fraction form
   72,007/148,610 = 148,610/x
3. Step 3: Cross multiply
   72,007x = 148,610 × 148,610
4. Step 4: Simplify right side
   72,007x = 22,084,932,100
5. Step 5: Solve for x
   x = 22,084,932,100/72,007
6. Step 6: Final answer
   x = 306,705.35