Finding the Third Proportional to 560,390 and 1,216,034

Step by Step Solution

1. Step 1: Write the proportion equation
   560,390 : 1,216,034 = 1,216,034 : x
2. Step 2: Convert to fraction form
   560,390/1,216,034 = 1,216,034/x
3. Step 3: Cross multiply
   560,390x = 1,216,034 × 1,216,034
4. Step 4: Simplify right side
   560,390x = 1,478,738,689,156
5. Step 5: Solve for x
   x = 1,478,738,689,156/560,390
6. Step 6: Final answer
   x = 2,638,767.09