Finding the Third Proportional to 338,922 and 738,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,922 : 738,124.50 = 738,124.50 : x
2. Step 2: Convert to fraction form
   338,922/738,124.50 = 738,124.50/x
3. Step 3: Cross multiply
   338,922x = 738,124.50 × 738,124.50
4. Step 4: Simplify right side
   338,922x = 544,827,777,500.25
5. Step 5: Solve for x
   x = 544,827,777,500.25/338,922
6. Step 6: Final answer
   x = 1,607,531.46