Finding the Third Proportional to 19,141,510 and 29,421,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,141,510 : 29,421,870 = 29,421,870 : x
2. Step 2: Convert to fraction form
   19,141,510/29,421,870 = 29,421,870/x
3. Step 3: Cross multiply
   19,141,510x = 29,421,870 × 29,421,870
4. Step 4: Simplify right side
   19,141,510x = 865,646,434,296,900
5. Step 5: Solve for x
   x = 865,646,434,296,900/19,141,510
6. Step 6: Final answer
   x = 45,223,518.64