Finding the Third Proportional to 151,436 and 329,386

Step by Step Solution

1. Step 1: Write the proportion equation
   151,436 : 329,386 = 329,386 : x
2. Step 2: Convert to fraction form
   151,436/329,386 = 329,386/x
3. Step 3: Cross multiply
   151,436x = 329,386 × 329,386
4. Step 4: Simplify right side
   151,436x = 108,495,136,996
5. Step 5: Solve for x
   x = 108,495,136,996/151,436
6. Step 6: Final answer
   x = 716,442.17