Finding the Third Proportional to 1,157,172 and 2,370,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,172 : 2,370,720 = 2,370,720 : x
2. Step 2: Convert to fraction form
   1,157,172/2,370,720 = 2,370,720/x
3. Step 3: Cross multiply
   1,157,172x = 2,370,720 × 2,370,720
4. Step 4: Simplify right side
   1,157,172x = 5,620,313,318,400
5. Step 5: Solve for x
   x = 5,620,313,318,400/1,157,172
6. Step 6: Final answer
   x = 4,856,938.57