Finding the Third Proportional to 904,529 and 1,406,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   904,529 : 1,406,589.50 = 1,406,589.50 : x
2. Step 2: Convert to fraction form
   904,529/1,406,589.50 = 1,406,589.50/x
3. Step 3: Cross multiply
   904,529x = 1,406,589.50 × 1,406,589.50
4. Step 4: Simplify right side
   904,529x = 1,978,494,021,510.25
5. Step 5: Solve for x
   x = 1,978,494,021,510.25/904,529
6. Step 6: Final answer
   x = 2,187,319.61