Finding the Third Proportional to 972,004 and 2,120,880

Step by Step Solution

1. Step 1: Write the proportion equation
   972,004 : 2,120,880 = 2,120,880 : x
2. Step 2: Convert to fraction form
   972,004/2,120,880 = 2,120,880/x
3. Step 3: Cross multiply
   972,004x = 2,120,880 × 2,120,880
4. Step 4: Simplify right side
   972,004x = 4,498,131,974,400
5. Step 5: Solve for x
   x = 4,498,131,974,400/972,004
6. Step 6: Final answer
   x = 4,627,688.75