Finding the Third Proportional to 415,377 and 907,634.25

Step by Step Solution

1. Step 1: Write the proportion equation
   415,377 : 907,634.25 = 907,634.25 : x
2. Step 2: Convert to fraction form
   415,377/907,634.25 = 907,634.25/x
3. Step 3: Cross multiply
   415,377x = 907,634.25 × 907,634.25
4. Step 4: Simplify right side
   415,377x = 823,799,931,773.06
5. Step 5: Solve for x
   x = 823,799,931,773.06/415,377
6. Step 6: Final answer
   x = 1,983,258.42