Finding the Third Proportional to 519,702 and 777,433.88

Step by Step Solution

1. Step 1: Write the proportion equation
   519,702 : 777,433.88 = 777,433.88 : x
2. Step 2: Convert to fraction form
   519,702/777,433.88 = 777,433.88/x
3. Step 3: Cross multiply
   519,702x = 777,433.88 × 777,433.88
4. Step 4: Simplify right side
   519,702x = 604,403,429,997.52
5. Step 5: Solve for x
   x = 604,403,429,997.52/519,702
6. Step 6: Final answer
   x = 1,162,980.77