Finding the Third Proportional to 510,422 and 760,656

Step by Step Solution

1. Step 1: Write the proportion equation
   510,422 : 760,656 = 760,656 : x
2. Step 2: Convert to fraction form
   510,422/760,656 = 760,656/x
3. Step 3: Cross multiply
   510,422x = 760,656 × 760,656
4. Step 4: Simplify right side
   510,422x = 578,597,550,336
5. Step 5: Solve for x
   x = 578,597,550,336/510,422
6. Step 6: Final answer
   x = 1,133,567.03