Finding the Third Proportional to 400,366.50 and 880,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   400,366.50 : 880,945.50 = 880,945.50 : x
2. Step 2: Convert to fraction form
   400,366.50/880,945.50 = 880,945.50/x
3. Step 3: Cross multiply
   400,366.50x = 880,945.50 × 880,945.50
4. Step 4: Simplify right side
   400,366.50x = 776,064,973,970.25
5. Step 5: Solve for x
   x = 776,064,973,970.25/400,366.50
6. Step 6: Final answer
   x = 1,938,386.39