Finding the Third Proportional to 5,634,548 and 8,418,654

Step by Step Solution

1. Step 1: Write the proportion equation
   5,634,548 : 8,418,654 = 8,418,654 : x
2. Step 2: Convert to fraction form
   5,634,548/8,418,654 = 8,418,654/x
3. Step 3: Cross multiply
   5,634,548x = 8,418,654 × 8,418,654
4. Step 4: Simplify right side
   5,634,548x = 70,873,735,171,716
5. Step 5: Solve for x
   x = 70,873,735,171,716/5,634,548
6. Step 6: Final answer
   x = 12,578,424.24