Finding the Third Proportional to 4,870,486 and 7,756,737

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870,486 : 7,756,737 = 7,756,737 : x
2. Step 2: Convert to fraction form
   4,870,486/7,756,737 = 7,756,737/x
3. Step 3: Cross multiply
   4,870,486x = 7,756,737 × 7,756,737
4. Step 4: Simplify right side
   4,870,486x = 60,166,968,887,169
5. Step 5: Solve for x
   x = 60,166,968,887,169/4,870,486
6. Step 6: Final answer
   x = 12,353,380.93