Finding the Third Proportional to 152,670 and 230,676

Step by Step Solution

1. Step 1: Write the proportion equation
   152,670 : 230,676 = 230,676 : x
2. Step 2: Convert to fraction form
   152,670/230,676 = 230,676/x
3. Step 3: Cross multiply
   152,670x = 230,676 × 230,676
4. Step 4: Simplify right side
   152,670x = 53,211,416,976
5. Step 5: Solve for x
   x = 53,211,416,976/152,670
6. Step 6: Final answer
   x = 348,538.79