Finding the Third Proportional to 5,406,426 and 7,558,515

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406,426 : 7,558,515 = 7,558,515 : x
2. Step 2: Convert to fraction form
   5,406,426/7,558,515 = 7,558,515/x
3. Step 3: Cross multiply
   5,406,426x = 7,558,515 × 7,558,515
4. Step 4: Simplify right side
   5,406,426x = 57,131,149,005,225
5. Step 5: Solve for x
   x = 57,131,149,005,225/5,406,426
6. Step 6: Final answer
   x = 10,567,267.36