Finding the Third Proportional to 1,153,667 and 1,790,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153,667 : 1,790,978 = 1,790,978 : x
2. Step 2: Convert to fraction form
   1,153,667/1,790,978 = 1,790,978/x
3. Step 3: Cross multiply
   1,153,667x = 1,790,978 × 1,790,978
4. Step 4: Simplify right side
   1,153,667x = 3,207,602,196,484
5. Step 5: Solve for x
   x = 3,207,602,196,484/1,153,667
6. Step 6: Final answer
   x = 2,780,353.60