Finding the Third Proportional to 6,004,899,801 and 12,506,819,643

Step by Step Solution

1. Step 1: Write the proportion equation
   6,004,899,801 : 12,506,819,643 = 12,506,819,643 : x
2. Step 2: Convert to fraction form
   6,004,899,801/12,506,819,643 = 12,506,819,643/x
3. Step 3: Cross multiply
   6,004,899,801x = 12,506,819,643 × 12,506,819,643
4. Step 4: Simplify right side
   6,004,899,801x = 156,420,537,582,530,658,304
5. Step 5: Solve for x
   x = 156,420,537,582,530,658,304/6,004,899,801
6. Step 6: Final answer
   x = 26,048,817,260.28