Finding the Third Proportional to 415,064 and 907,012

Step by Step Solution

1. Step 1: Write the proportion equation
   415,064 : 907,012 = 907,012 : x
2. Step 2: Convert to fraction form
   415,064/907,012 = 907,012/x
3. Step 3: Cross multiply
   415,064x = 907,012 × 907,012
4. Step 4: Simplify right side
   415,064x = 822,670,768,144
5. Step 5: Solve for x
   x = 822,670,768,144/415,064
6. Step 6: Final answer
   x = 1,982,033.54