Finding the Third Proportional to 12,399,082,856 and 19,146,747,776

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399,082,856 : 19,146,747,776 = 19,146,747,776 : x
2. Step 2: Convert to fraction form
   12,399,082,856/19,146,747,776 = 19,146,747,776/x
3. Step 3: Cross multiply
   12,399,082,856x = 19,146,747,776 × 19,146,747,776
4. Step 4: Simplify right side
   12,399,082,856x = 366,597,950,397,760,929,792
5. Step 5: Solve for x
   x = 366,597,950,397,760,929,792/12,399,082,856
6. Step 6: Final answer
   x = 29,566,537,675.03