Finding the Third Proportional to 167,521.50 and 358,416

Step by Step Solution

1. Step 1: Write the proportion equation
   167,521.50 : 358,416 = 358,416 : x
2. Step 2: Convert to fraction form
   167,521.50/358,416 = 358,416/x
3. Step 3: Cross multiply
   167,521.50x = 358,416 × 358,416
4. Step 4: Simplify right side
   167,521.50x = 128,462,029,056
5. Step 5: Solve for x
   x = 128,462,029,056/167,521.50
6. Step 6: Final answer
   x = 766,839.06