Finding the Third Proportional to 519,481 and 777,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,481 : 777,130.50 = 777,130.50 : x
2. Step 2: Convert to fraction form
   519,481/777,130.50 = 777,130.50/x
3. Step 3: Cross multiply
   519,481x = 777,130.50 × 777,130.50
4. Step 4: Simplify right side
   519,481x = 603,931,814,030.25
5. Step 5: Solve for x
   x = 603,931,814,030.25/519,481
6. Step 6: Final answer
   x = 1,162,567.67