Finding the Third Proportional to 849,472,309,872 and 1,820,110,244,976

Step by Step Solution

1. Step 1: Write the proportion equation
   849,472,309,872 : 1,820,110,244,976 = 1,820,110,244,976 : x
2. Step 2: Convert to fraction form
   849,472,309,872/1,820,110,244,976 = 1,820,110,244,976/x
3. Step 3: Cross multiply
   849,472,309,872x = 1,820,110,244,976 × 1,820,110,244,976
4. Step 4: Simplify right side
   849,472,309,872x = 3,312,801,303,866,594,530,689,024
5. Step 5: Solve for x
   x = 3,312,801,303,866,594,530,689,024/849,472,309,872
6. Step 6: Final answer
   x = 3,899,834,362,306.38