Finding the Third Proportional to 482,391 and 709,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,391 : 709,133.50 = 709,133.50 : x
2. Step 2: Convert to fraction form
   482,391/709,133.50 = 709,133.50/x
3. Step 3: Cross multiply
   482,391x = 709,133.50 × 709,133.50
4. Step 4: Simplify right side
   482,391x = 502,870,320,822.25
5. Step 5: Solve for x
   x = 502,870,320,822.25/482,391
6. Step 6: Final answer
   x = 1,042,453.78