Finding the Third Proportional to 13,087,016 and 19,984,818

Step by Step Solution

1. Step 1: Write the proportion equation
   13,087,016 : 19,984,818 = 19,984,818 : x
2. Step 2: Convert to fraction form
   13,087,016/19,984,818 = 19,984,818/x
3. Step 3: Cross multiply
   13,087,016x = 19,984,818 × 19,984,818
4. Step 4: Simplify right side
   13,087,016x = 399,392,950,493,124
5. Step 5: Solve for x
   x = 399,392,950,493,124/13,087,016
6. Step 6: Final answer
   x = 30,518,259.51