Finding the Third Proportional to 167,916.50 and 354,786

Step by Step Solution

1. Step 1: Write the proportion equation
   167,916.50 : 354,786 = 354,786 : x
2. Step 2: Convert to fraction form
   167,916.50/354,786 = 354,786/x
3. Step 3: Cross multiply
   167,916.50x = 354,786 × 354,786
4. Step 4: Simplify right side
   167,916.50x = 125,873,105,796
5. Step 5: Solve for x
   x = 125,873,105,796/167,916.50
6. Step 6: Final answer
   x = 749,617.25