Finding the Third Proportional to 5,234,172 and 7,877,466

Step by Step Solution

1. Step 1: Write the proportion equation
   5,234,172 : 7,877,466 = 7,877,466 : x
2. Step 2: Convert to fraction form
   5,234,172/7,877,466 = 7,877,466/x
3. Step 3: Cross multiply
   5,234,172x = 7,877,466 × 7,877,466
4. Step 4: Simplify right side
   5,234,172x = 62,054,470,581,156
5. Step 5: Solve for x
   x = 62,054,470,581,156/5,234,172
6. Step 6: Final answer
   x = 11,855,642.23