Finding the Third Proportional to 5,406,424 and 7,558,512

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406,424 : 7,558,512 = 7,558,512 : x
2. Step 2: Convert to fraction form
   5,406,424/7,558,512 = 7,558,512/x
3. Step 3: Cross multiply
   5,406,424x = 7,558,512 × 7,558,512
4. Step 4: Simplify right side
   5,406,424x = 57,131,103,654,144
5. Step 5: Solve for x
   x = 57,131,103,654,144/5,406,424
6. Step 6: Final answer
   x = 10,567,262.88