Finding the Third Proportional to 425,908 and 910,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   425,908 : 910,910.50 = 910,910.50 : x
2. Step 2: Convert to fraction form
   425,908/910,910.50 = 910,910.50/x
3. Step 3: Cross multiply
   425,908x = 910,910.50 × 910,910.50
4. Step 4: Simplify right side
   425,908x = 829,757,939,010.25
5. Step 5: Solve for x
   x = 829,757,939,010.25/425,908
6. Step 6: Final answer
   x = 1,948,209.33