Finding the Third Proportional to 162,726.50 and 354,370

Step by Step Solution

1. Step 1: Write the proportion equation
   162,726.50 : 354,370 = 354,370 : x
2. Step 2: Convert to fraction form
   162,726.50/354,370 = 354,370/x
3. Step 3: Cross multiply
   162,726.50x = 354,370 × 354,370
4. Step 4: Simplify right side
   162,726.50x = 125,578,096,900
5. Step 5: Solve for x
   x = 125,578,096,900/162,726.50
6. Step 6: Final answer
   x = 771,712.64