Finding the Third Proportional to 591,381 and 904,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   591,381 : 904,810.50 = 904,810.50 : x
2. Step 2: Convert to fraction form
   591,381/904,810.50 = 904,810.50/x
3. Step 3: Cross multiply
   591,381x = 904,810.50 × 904,810.50
4. Step 4: Simplify right side
   591,381x = 818,682,040,910.25
5. Step 5: Solve for x
   x = 818,682,040,910.25/591,381
6. Step 6: Final answer
   x = 1,384,356.35