Finding the Third Proportional to 12,142,526 and 18,462,424

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142,526 : 18,462,424 = 18,462,424 : x
2. Step 2: Convert to fraction form
   12,142,526/18,462,424 = 18,462,424/x
3. Step 3: Cross multiply
   12,142,526x = 18,462,424 × 18,462,424
4. Step 4: Simplify right side
   12,142,526x = 340,861,099,955,776
5. Step 5: Solve for x
   x = 340,861,099,955,776/12,142,526
6. Step 6: Final answer
   x = 28,071,679.65