Finding the Third Proportional to 560,413 and 1,216,086

Step by Step Solution

1. Step 1: Write the proportion equation
   560,413 : 1,216,086 = 1,216,086 : x
2. Step 2: Convert to fraction form
   560,413/1,216,086 = 1,216,086/x
3. Step 3: Cross multiply
   560,413x = 1,216,086 × 1,216,086
4. Step 4: Simplify right side
   560,413x = 1,478,865,159,396
5. Step 5: Solve for x
   x = 1,478,865,159,396/560,413
6. Step 6: Final answer
   x = 2,638,884.46