Finding the Third Proportional to 482,389.50 and 709,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,389.50 : 709,131.50 = 709,131.50 : x
2. Step 2: Convert to fraction form
   482,389.50/709,131.50 = 709,131.50/x
3. Step 3: Cross multiply
   482,389.50x = 709,131.50 × 709,131.50
4. Step 4: Simplify right side
   482,389.50x = 502,867,484,292.25
5. Step 5: Solve for x
   x = 502,867,484,292.25/482,389.50
6. Step 6: Final answer
   x = 1,042,451.14