Finding the Third Proportional to 8,031,484.13 and 12,235,429.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,031,484.13 : 12,235,429.69 = 12,235,429.69 : x
2. Step 2: Convert to fraction form
   8,031,484.13/12,235,429.69 = 12,235,429.69/x
3. Step 3: Cross multiply
   8,031,484.13x = 12,235,429.69 × 12,235,429.69
4. Step 4: Simplify right side
   8,031,484.13x = 149,705,739,637,756.34
5. Step 5: Solve for x
   x = 149,705,739,637,756.34/8,031,484.13
6. Step 6: Final answer
   x = 18,639,859.99