Finding the Third Proportional to 12,584,516 and 19,895,831

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584,516 : 19,895,831 = 19,895,831 : x
2. Step 2: Convert to fraction form
   12,584,516/19,895,831 = 19,895,831/x
3. Step 3: Cross multiply
   12,584,516x = 19,895,831 × 19,895,831
4. Step 4: Simplify right side
   12,584,516x = 395,844,091,180,561
5. Step 5: Solve for x
   x = 395,844,091,180,561/12,584,516
6. Step 6: Final answer
   x = 31,454,852.23