Finding the Third Proportional to 480,688 and 1,112,763

Step by Step Solution

1. Step 1: Write the proportion equation
   480,688 : 1,112,763 = 1,112,763 : x
2. Step 2: Convert to fraction form
   480,688/1,112,763 = 1,112,763/x
3. Step 3: Cross multiply
   480,688x = 1,112,763 × 1,112,763
4. Step 4: Simplify right side
   480,688x = 1,238,241,494,169
5. Step 5: Solve for x
   x = 1,238,241,494,169/480,688
6. Step 6: Final answer
   x = 2,575,977.55