Finding the Third Proportional to 334,076.50 and 728,453

Step by Step Solution

1. Step 1: Write the proportion equation
   334,076.50 : 728,453 = 728,453 : x
2. Step 2: Convert to fraction form
   334,076.50/728,453 = 728,453/x
3. Step 3: Cross multiply
   334,076.50x = 728,453 × 728,453
4. Step 4: Simplify right side
   334,076.50x = 530,643,773,209
5. Step 5: Solve for x
   x = 530,643,773,209/334,076.50
6. Step 6: Final answer
   x = 1,588,390.00