Finding the Third Proportional to 3,610,776 and 5,609,031

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610,776 : 5,609,031 = 5,609,031 : x
2. Step 2: Convert to fraction form
   3,610,776/5,609,031 = 5,609,031/x
3. Step 3: Cross multiply
   3,610,776x = 5,609,031 × 5,609,031
4. Step 4: Simplify right side
   3,610,776x = 31,461,228,758,961
5. Step 5: Solve for x
   x = 31,461,228,758,961/3,610,776
6. Step 6: Final answer
   x = 8,713,148.85