Finding the Third Proportional to 472,797 and 709,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   472,797 : 709,681.50 = 709,681.50 : x
2. Step 2: Convert to fraction form
   472,797/709,681.50 = 709,681.50/x
3. Step 3: Cross multiply
   472,797x = 709,681.50 × 709,681.50
4. Step 4: Simplify right side
   472,797x = 503,647,831,442.25
5. Step 5: Solve for x
   x = 503,647,831,442.25/472,797
6. Step 6: Final answer
   x = 1,065,251.75