Finding the Third Proportional to 970,216 and 2,116,640

Step by Step Solution

1. Step 1: Write the proportion equation
   970,216 : 2,116,640 = 2,116,640 : x
2. Step 2: Convert to fraction form
   970,216/2,116,640 = 2,116,640/x
3. Step 3: Cross multiply
   970,216x = 2,116,640 × 2,116,640
4. Step 4: Simplify right side
   970,216x = 4,480,164,889,600
5. Step 5: Solve for x
   x = 4,480,164,889,600/970,216
6. Step 6: Final answer
   x = 4,617,698.42