Finding the Third Proportional to 903,983.50 and 1,227,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   903,983.50 : 1,227,721.50 = 1,227,721.50 : x
2. Step 2: Convert to fraction form
   903,983.50/1,227,721.50 = 1,227,721.50/x
3. Step 3: Cross multiply
   903,983.50x = 1,227,721.50 × 1,227,721.50
4. Step 4: Simplify right side
   903,983.50x = 1,507,300,081,562.25
5. Step 5: Solve for x
   x = 1,507,300,081,562.25/903,983.50
6. Step 6: Final answer
   x = 1,667,397.78