Finding the Third Proportional to 383,428.69 and 830,333.53

Step by Step Solution

1. Step 1: Write the proportion equation
   383,428.69 : 830,333.53 = 830,333.53 : x
2. Step 2: Convert to fraction form
   383,428.69/830,333.53 = 830,333.53/x
3. Step 3: Cross multiply
   383,428.69x = 830,333.53 × 830,333.53
4. Step 4: Simplify right side
   383,428.69x = 689,453,773,118.10
5. Step 5: Solve for x
   x = 689,453,773,118.10/383,428.69
6. Step 6: Final answer
   x = 1,798,127.78