Finding the Third Proportional to 663,072 and 1,430,976

Step by Step Solution

1. Step 1: Write the proportion equation
   663,072 : 1,430,976 = 1,430,976 : x
2. Step 2: Convert to fraction form
   663,072/1,430,976 = 1,430,976/x
3. Step 3: Cross multiply
   663,072x = 1,430,976 × 1,430,976
4. Step 4: Simplify right side
   663,072x = 2,047,692,312,576
5. Step 5: Solve for x
   x = 2,047,692,312,576/663,072
6. Step 6: Final answer
   x = 3,088,189.99