Finding the Third Proportional to 12,705,095,072 and 19,221,047,103

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705,095,072 : 19,221,047,103 = 19,221,047,103 : x
2. Step 2: Convert to fraction form
   12,705,095,072/19,221,047,103 = 19,221,047,103/x
3. Step 3: Cross multiply
   12,705,095,072x = 19,221,047,103 × 19,221,047,103
4. Step 4: Simplify right side
   12,705,095,072x = 369,448,651,735,744,708,608
5. Step 5: Solve for x
   x = 369,448,651,735,744,708,608/12,705,095,072
6. Step 6: Final answer
   x = 29,078,778,997.09