Finding the Third Proportional to 3,306,610 and 4,680,138

Step by Step Solution

1. Step 1: Write the proportion equation
   3,306,610 : 4,680,138 = 4,680,138 : x
2. Step 2: Convert to fraction form
   3,306,610/4,680,138 = 4,680,138/x
3. Step 3: Cross multiply
   3,306,610x = 4,680,138 × 4,680,138
4. Step 4: Simplify right side
   3,306,610x = 21,903,691,699,044
5. Step 5: Solve for x
   x = 21,903,691,699,044/3,306,610
6. Step 6: Final answer
   x = 6,624,213.83