Finding the Third Proportional to 604,030.50 and 905,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   604,030.50 : 905,998.50 = 905,998.50 : x
2. Step 2: Convert to fraction form
   604,030.50/905,998.50 = 905,998.50/x
3. Step 3: Cross multiply
   604,030.50x = 905,998.50 × 905,998.50
4. Step 4: Simplify right side
   604,030.50x = 820,833,282,002.25
5. Step 5: Solve for x
   x = 820,833,282,002.25/604,030.50
6. Step 6: Final answer
   x = 1,358,926.88