Finding the Third Proportional to 19,886,344 and 30,708,672

Step by Step Solution

1. Step 1: Write the proportion equation
   19,886,344 : 30,708,672 = 30,708,672 : x
2. Step 2: Convert to fraction form
   19,886,344/30,708,672 = 30,708,672/x
3. Step 3: Cross multiply
   19,886,344x = 30,708,672 × 30,708,672
4. Step 4: Simplify right side
   19,886,344x = 943,022,536,003,584
5. Step 5: Solve for x
   x = 943,022,536,003,584/19,886,344
6. Step 6: Final answer
   x = 47,420,608.63