Finding the Third Proportional to 13,260,684 and 20,476,818

Step by Step Solution

1. Step 1: Write the proportion equation
   13,260,684 : 20,476,818 = 20,476,818 : x
2. Step 2: Convert to fraction form
   13,260,684/20,476,818 = 20,476,818/x
3. Step 3: Cross multiply
   13,260,684x = 20,476,818 × 20,476,818
4. Step 4: Simplify right side
   13,260,684x = 419,300,075,405,124
5. Step 5: Solve for x
   x = 419,300,075,405,124/13,260,684
6. Step 6: Final answer
   x = 31,619,792.42