Finding the Third Proportional to 1,047,688 and 2,262,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,688 : 2,262,320 = 2,262,320 : x
2. Step 2: Convert to fraction form
   1,047,688/2,262,320 = 2,262,320/x
3. Step 3: Cross multiply
   1,047,688x = 2,262,320 × 2,262,320
4. Step 4: Simplify right side
   1,047,688x = 5,118,091,782,400
5. Step 5: Solve for x
   x = 5,118,091,782,400/1,047,688
6. Step 6: Final answer
   x = 4,885,129.72