Finding the Third Proportional to 13,106,740 and 19,660,111

Step by Step Solution

1. Step 1: Write the proportion equation
   13,106,740 : 19,660,111 = 19,660,111 : x
2. Step 2: Convert to fraction form
   13,106,740/19,660,111 = 19,660,111/x
3. Step 3: Cross multiply
   13,106,740x = 19,660,111 × 19,660,111
4. Step 4: Simplify right side
   13,106,740x = 386,519,964,532,321
5. Step 5: Solve for x
   x = 386,519,964,532,321/13,106,740
6. Step 6: Final answer
   x = 29,490,168.00