Finding the Third Proportional to 569,803 and 1,215,878

Step by Step Solution

1. Step 1: Write the proportion equation
   569,803 : 1,215,878 = 1,215,878 : x
2. Step 2: Convert to fraction form
   569,803/1,215,878 = 1,215,878/x
3. Step 3: Cross multiply
   569,803x = 1,215,878 × 1,215,878
4. Step 4: Simplify right side
   569,803x = 1,478,359,310,884
5. Step 5: Solve for x
   x = 1,478,359,310,884/569,803
6. Step 6: Final answer
   x = 2,594,509.53