Finding the Third Proportional to 238,869 and 563,091.75

Step by Step Solution

1. Step 1: Write the proportion equation
   238,869 : 563,091.75 = 563,091.75 : x
2. Step 2: Convert to fraction form
   238,869/563,091.75 = 563,091.75/x
3. Step 3: Cross multiply
   238,869x = 563,091.75 × 563,091.75
4. Step 4: Simplify right side
   238,869x = 317,072,318,918.06
5. Step 5: Solve for x
   x = 317,072,318,918.06/238,869
6. Step 6: Final answer
   x = 1,327,389.99