Finding the Third Proportional to 339,019.17 and 525,272.98

Step by Step Solution

1. Step 1: Write the proportion equation
   339,019.17 : 525,272.98 = 525,272.98 : x
2. Step 2: Convert to fraction form
   339,019.17/525,272.98 = 525,272.98/x
3. Step 3: Cross multiply
   339,019.17x = 525,272.98 × 525,272.98
4. Step 4: Simplify right side
   339,019.17x = 275,911,699,906.83
5. Step 5: Solve for x
   x = 275,911,699,906.83/339,019.17
6. Step 6: Final answer
   x = 813,852.79