Finding the Third Proportional to 510,438.25 and 760,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   510,438.25 : 760,680.38 = 760,680.38 : x
2. Step 2: Convert to fraction form
   510,438.25/760,680.38 = 760,680.38/x
3. Step 3: Cross multiply
   510,438.25x = 760,680.38 × 760,680.38
4. Step 4: Simplify right side
   510,438.25x = 578,634,632,910.14
5. Step 5: Solve for x
   x = 578,634,632,910.14/510,438.25
6. Step 6: Final answer
   x = 1,133,603.59