Finding the Third Proportional to 151,140 and 328,776

Step by Step Solution

1. Step 1: Write the proportion equation
   151,140 : 328,776 = 328,776 : x
2. Step 2: Convert to fraction form
   151,140/328,776 = 328,776/x
3. Step 3: Cross multiply
   151,140x = 328,776 × 328,776
4. Step 4: Simplify right side
   151,140x = 108,093,658,176
5. Step 5: Solve for x
   x = 108,093,658,176/151,140
6. Step 6: Final answer
   x = 715,188.95