Finding the Third Proportional to 405,898.50 and 880,968

Step by Step Solution

1. Step 1: Write the proportion equation
   405,898.50 : 880,968 = 880,968 : x
2. Step 2: Convert to fraction form
   405,898.50/880,968 = 880,968/x
3. Step 3: Cross multiply
   405,898.50x = 880,968 × 880,968
4. Step 4: Simplify right side
   405,898.50x = 776,104,617,024
5. Step 5: Solve for x
   x = 776,104,617,024/405,898.50
6. Step 6: Final answer
   x = 1,912,065.74