Finding the Third Proportional to 2,499,217,476 and 5,205,293,661

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,217,476 : 5,205,293,661 = 5,205,293,661 : x
2. Step 2: Convert to fraction form
   2,499,217,476/5,205,293,661 = 5,205,293,661/x
3. Step 3: Cross multiply
   2,499,217,476x = 5,205,293,661 × 5,205,293,661
4. Step 4: Simplify right side
   2,499,217,476x = 27,095,082,097,246,781,440
5. Step 5: Solve for x
   x = 27,095,082,097,246,781,440/2,499,217,476
6. Step 6: Final answer
   x = 10,841,426,309.41