Finding the Third Proportional to 13,189,864 and 28,635,710

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,864 : 28,635,710 = 28,635,710 : x
2. Step 2: Convert to fraction form
   13,189,864/28,635,710 = 28,635,710/x
3. Step 3: Cross multiply
   13,189,864x = 28,635,710 × 28,635,710
4. Step 4: Simplify right side
   13,189,864x = 820,003,887,204,100
5. Step 5: Solve for x
   x = 820,003,887,204,100/13,189,864
6. Step 6: Final answer
   x = 62,169,245.05