Finding the Third Proportional to 686,255 and 1,041,047

Step by Step Solution

1. Step 1: Write the proportion equation
   686,255 : 1,041,047 = 1,041,047 : x
2. Step 2: Convert to fraction form
   686,255/1,041,047 = 1,041,047/x
3. Step 3: Cross multiply
   686,255x = 1,041,047 × 1,041,047
4. Step 4: Simplify right side
   686,255x = 1,083,778,856,209
5. Step 5: Solve for x
   x = 1,083,778,856,209/686,255
6. Step 6: Final answer
   x = 1,579,265.52