Finding the Third Proportional to 619,435.69 and 908,683.31

Step by Step Solution

1. Step 1: Write the proportion equation
   619,435.69 : 908,683.31 = 908,683.31 : x
2. Step 2: Convert to fraction form
   619,435.69/908,683.31 = 908,683.31/x
3. Step 3: Cross multiply
   619,435.69x = 908,683.31 × 908,683.31
4. Step 4: Simplify right side
   619,435.69x = 825,705,362,415.97
5. Step 5: Solve for x
   x = 825,705,362,415.97/619,435.69
6. Step 6: Final answer
   x = 1,332,996.11