Finding the Third Proportional to 334,388.50 and 745,361

Step by Step Solution

1. Step 1: Write the proportion equation
   334,388.50 : 745,361 = 745,361 : x
2. Step 2: Convert to fraction form
   334,388.50/745,361 = 745,361/x
3. Step 3: Cross multiply
   334,388.50x = 745,361 × 745,361
4. Step 4: Simplify right side
   334,388.50x = 555,563,020,321
5. Step 5: Solve for x
   x = 555,563,020,321/334,388.50
6. Step 6: Final answer
   x = 1,661,429.80