Finding the Third Proportional to 5,504,462 and 8,502,123

Step by Step Solution

1. Step 1: Write the proportion equation
   5,504,462 : 8,502,123 = 8,502,123 : x
2. Step 2: Convert to fraction form
   5,504,462/8,502,123 = 8,502,123/x
3. Step 3: Cross multiply
   5,504,462x = 8,502,123 × 8,502,123
4. Step 4: Simplify right side
   5,504,462x = 72,286,095,507,129
5. Step 5: Solve for x
   x = 72,286,095,507,129/5,504,462
6. Step 6: Final answer
   x = 13,132,272.60