Finding the Third Proportional to 333,688 and 787,371

Step by Step Solution

1. Step 1: Write the proportion equation
   333,688 : 787,371 = 787,371 : x
2. Step 2: Convert to fraction form
   333,688/787,371 = 787,371/x
3. Step 3: Cross multiply
   333,688x = 787,371 × 787,371
4. Step 4: Simplify right side
   333,688x = 619,953,091,641
5. Step 5: Solve for x
   x = 619,953,091,641/333,688
6. Step 6: Final answer
   x = 1,857,882.49