Finding the Third Proportional to 427,545 and 907,557.75

Step by Step Solution

1. Step 1: Write the proportion equation
   427,545 : 907,557.75 = 907,557.75 : x
2. Step 2: Convert to fraction form
   427,545/907,557.75 = 907,557.75/x
3. Step 3: Cross multiply
   427,545x = 907,557.75 × 907,557.75
4. Step 4: Simplify right side
   427,545x = 823,661,069,585.06
5. Step 5: Solve for x
   x = 823,661,069,585.06/427,545
6. Step 6: Final answer
   x = 1,926,489.77