Finding the Third Proportional to 8,493,162,336 and 12,739,745,124

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493,162,336 : 12,739,745,124 = 12,739,745,124 : x
2. Step 2: Convert to fraction form
   8,493,162,336/12,739,745,124 = 12,739,745,124/x
3. Step 3: Cross multiply
   8,493,162,336x = 12,739,745,124 × 12,739,745,124
4. Step 4: Simplify right side
   8,493,162,336x = 162,301,105,824,481,771,520
5. Step 5: Solve for x
   x = 162,301,105,824,481,771,520/8,493,162,336
6. Step 6: Final answer
   x = 19,109,620,116.00