Finding the Third Proportional to 717,516 and 1,538,064

Step by Step Solution

1. Step 1: Write the proportion equation
   717,516 : 1,538,064 = 1,538,064 : x
2. Step 2: Convert to fraction form
   717,516/1,538,064 = 1,538,064/x
3. Step 3: Cross multiply
   717,516x = 1,538,064 × 1,538,064
4. Step 4: Simplify right side
   717,516x = 2,365,640,868,096
5. Step 5: Solve for x
   x = 2,365,640,868,096/717,516
6. Step 6: Final answer
   x = 3,296,986.92