Finding the Third Proportional to 664,945.50 and 1,377,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   664,945.50 : 1,377,187.50 = 1,377,187.50 : x
2. Step 2: Convert to fraction form
   664,945.50/1,377,187.50 = 1,377,187.50/x
3. Step 3: Cross multiply
   664,945.50x = 1,377,187.50 × 1,377,187.50
4. Step 4: Simplify right side
   664,945.50x = 1,896,645,410,156.25
5. Step 5: Solve for x
   x = 1,896,645,410,156.25/664,945.50
6. Step 6: Final answer
   x = 2,852,332.12