Finding the Third Proportional to 12,761,624 and 19,615,442

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761,624 : 19,615,442 = 19,615,442 : x
2. Step 2: Convert to fraction form
   12,761,624/19,615,442 = 19,615,442/x
3. Step 3: Cross multiply
   12,761,624x = 19,615,442 × 19,615,442
4. Step 4: Simplify right side
   12,761,624x = 384,765,564,855,364
5. Step 5: Solve for x
   x = 384,765,564,855,364/12,761,624
6. Step 6: Final answer
   x = 30,150,203.83