Finding the Third Proportional to 740,048 and 1,618,498

Step by Step Solution

1. Step 1: Write the proportion equation
   740,048 : 1,618,498 = 1,618,498 : x
2. Step 2: Convert to fraction form
   740,048/1,618,498 = 1,618,498/x
3. Step 3: Cross multiply
   740,048x = 1,618,498 × 1,618,498
4. Step 4: Simplify right side
   740,048x = 2,619,535,776,004
5. Step 5: Solve for x
   x = 2,619,535,776,004/740,048
6. Step 6: Final answer
   x = 3,539,683.61