Finding the Third Proportional to 495,015 and 772,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   495,015 : 772,087.50 = 772,087.50 : x
2. Step 2: Convert to fraction form
   495,015/772,087.50 = 772,087.50/x
3. Step 3: Cross multiply
   495,015x = 772,087.50 × 772,087.50
4. Step 4: Simplify right side
   495,015x = 596,119,107,656.25
5. Step 5: Solve for x
   x = 596,119,107,656.25/495,015
6. Step 6: Final answer
   x = 1,204,244.53