Finding the Third Proportional to 333,646 and 787,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,646 : 787,281.50 = 787,281.50 : x
2. Step 2: Convert to fraction form
   333,646/787,281.50 = 787,281.50/x
3. Step 3: Cross multiply
   333,646x = 787,281.50 × 787,281.50
4. Step 4: Simplify right side
   333,646x = 619,812,160,242.25
5. Step 5: Solve for x
   x = 619,812,160,242.25/333,646
6. Step 6: Final answer
   x = 1,857,693.96