Finding the Third Proportional to 406,089 and 597,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,089 : 597,361.50 = 597,361.50 : x
2. Step 2: Convert to fraction form
   406,089/597,361.50 = 597,361.50/x
3. Step 3: Cross multiply
   406,089x = 597,361.50 × 597,361.50
4. Step 4: Simplify right side
   406,089x = 356,840,761,682.25
5. Step 5: Solve for x
   x = 356,840,761,682.25/406,089
6. Step 6: Final answer
   x = 878,725.51