Finding the Third Proportional to 2,130,882,947,640 and 3,078,757,879,875

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,882,947,640 : 3,078,757,879,875 = 3,078,757,879,875 : x
2. Step 2: Convert to fraction form
   2,130,882,947,640/3,078,757,879,875 = 3,078,757,879,875/x
3. Step 3: Cross multiply
   2,130,882,947,640x = 3,078,757,879,875 × 3,078,757,879,875
4. Step 4: Simplify right side
   2,130,882,947,640x = 9,478,750,082,892,404,977,827,840
5. Step 5: Solve for x
   x = 9,478,750,082,892,404,977,827,840/2,130,882,947,640
6. Step 6: Final answer
   x = 4,448,273,469,638.64