Finding the Third Proportional to 341,918.50 and 744,039

Step by Step Solution

1. Step 1: Write the proportion equation
   341,918.50 : 744,039 = 744,039 : x
2. Step 2: Convert to fraction form
   341,918.50/744,039 = 744,039/x
3. Step 3: Cross multiply
   341,918.50x = 744,039 × 744,039
4. Step 4: Simplify right side
   341,918.50x = 553,594,033,521
5. Step 5: Solve for x
   x = 553,594,033,521/341,918.50
6. Step 6: Final answer
   x = 1,619,081.84