Finding the Third Proportional to 482,811 and 709,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,811 : 709,438.50 = 709,438.50 : x
2. Step 2: Convert to fraction form
   482,811/709,438.50 = 709,438.50/x
3. Step 3: Cross multiply
   482,811x = 709,438.50 × 709,438.50
4. Step 4: Simplify right side
   482,811x = 503,302,985,282.25
5. Step 5: Solve for x
   x = 503,302,985,282.25/482,811
6. Step 6: Final answer
   x = 1,042,443.08