Finding the Third Proportional to 383,428.50 and 830,334

Step by Step Solution

1. Step 1: Write the proportion equation
   383,428.50 : 830,334 = 830,334 : x
2. Step 2: Convert to fraction form
   383,428.50/830,334 = 830,334/x
3. Step 3: Cross multiply
   383,428.50x = 830,334 × 830,334
4. Step 4: Simplify right side
   383,428.50x = 689,454,551,556
5. Step 5: Solve for x
   x = 689,454,551,556/383,428.50
6. Step 6: Final answer
   x = 1,798,130.69