Finding the Third Proportional to 13,276,434 and 28,965,642

Step by Step Solution

1. Step 1: Write the proportion equation
   13,276,434 : 28,965,642 = 28,965,642 : x
2. Step 2: Convert to fraction form
   13,276,434/28,965,642 = 28,965,642/x
3. Step 3: Cross multiply
   13,276,434x = 28,965,642 × 28,965,642
4. Step 4: Simplify right side
   13,276,434x = 839,008,416,472,164
5. Step 5: Solve for x
   x = 839,008,416,472,164/13,276,434
6. Step 6: Final answer
   x = 63,195,314.08