Finding the Third Proportional to 8,485,730 and 13,136,714

Step by Step Solution

1. Step 1: Write the proportion equation
   8,485,730 : 13,136,714 = 13,136,714 : x
2. Step 2: Convert to fraction form
   8,485,730/13,136,714 = 13,136,714/x
3. Step 3: Cross multiply
   8,485,730x = 13,136,714 × 13,136,714
4. Step 4: Simplify right side
   8,485,730x = 172,573,254,717,796
5. Step 5: Solve for x
   x = 172,573,254,717,796/8,485,730
6. Step 6: Final answer
   x = 20,336,877.88