Finding the Third Proportional to 12,943,618 and 28,760,438

Step by Step Solution

1. Step 1: Write the proportion equation
   12,943,618 : 28,760,438 = 28,760,438 : x
2. Step 2: Convert to fraction form
   12,943,618/28,760,438 = 28,760,438/x
3. Step 3: Cross multiply
   12,943,618x = 28,760,438 × 28,760,438
4. Step 4: Simplify right side
   12,943,618x = 827,162,793,951,844
5. Step 5: Solve for x
   x = 827,162,793,951,844/12,943,618
6. Step 6: Final answer
   x = 63,905,068.42