Finding the Third Proportional to 367,430.50 and 787,349

Step by Step Solution

1. Step 1: Write the proportion equation
   367,430.50 : 787,349 = 787,349 : x
2. Step 2: Convert to fraction form
   367,430.50/787,349 = 787,349/x
3. Step 3: Cross multiply
   367,430.50x = 787,349 × 787,349
4. Step 4: Simplify right side
   367,430.50x = 619,918,447,801
5. Step 5: Solve for x
   x = 619,918,447,801/367,430.50
6. Step 6: Final answer
   x = 1,687,171.99