Finding the Third Proportional to 153,426.50 and 328,176

Step by Step Solution

1. Step 1: Write the proportion equation
   153,426.50 : 328,176 = 328,176 : x
2. Step 2: Convert to fraction form
   153,426.50/328,176 = 328,176/x
3. Step 3: Cross multiply
   153,426.50x = 328,176 × 328,176
4. Step 4: Simplify right side
   153,426.50x = 107,699,486,976
5. Step 5: Solve for x
   x = 107,699,486,976/153,426.50
6. Step 6: Final answer
   x = 701,961.44