Finding the Third Proportional to 656,172 and 1,430,936

Step by Step Solution

1. Step 1: Write the proportion equation
   656,172 : 1,430,936 = 1,430,936 : x
2. Step 2: Convert to fraction form
   656,172/1,430,936 = 1,430,936/x
3. Step 3: Cross multiply
   656,172x = 1,430,936 × 1,430,936
4. Step 4: Simplify right side
   656,172x = 2,047,577,836,096
5. Step 5: Solve for x
   x = 2,047,577,836,096/656,172
6. Step 6: Final answer
   x = 3,120,489.50