Finding the Third Proportional to 13,126,266 and 19,870,470

Step by Step Solution

1. Step 1: Write the proportion equation
   13,126,266 : 19,870,470 = 19,870,470 : x
2. Step 2: Convert to fraction form
   13,126,266/19,870,470 = 19,870,470/x
3. Step 3: Cross multiply
   13,126,266x = 19,870,470 × 19,870,470
4. Step 4: Simplify right side
   13,126,266x = 394,835,578,020,900
5. Step 5: Solve for x
   x = 394,835,578,020,900/13,126,266
6. Step 6: Final answer
   x = 30,079,809.29