Finding the Third Proportional to 415,002.50 and 906,469

Step by Step Solution

1. Step 1: Write the proportion equation
   415,002.50 : 906,469 = 906,469 : x
2. Step 2: Convert to fraction form
   415,002.50/906,469 = 906,469/x
3. Step 3: Cross multiply
   415,002.50x = 906,469 × 906,469
4. Step 4: Simplify right side
   415,002.50x = 821,686,047,961
5. Step 5: Solve for x
   x = 821,686,047,961/415,002.50
6. Step 6: Final answer
   x = 1,979,954.45