Finding the Third Proportional to 1,555,007 and 3,234,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,007 : 3,234,156 = 3,234,156 : x
2. Step 2: Convert to fraction form
   1,555,007/3,234,156 = 3,234,156/x
3. Step 3: Cross multiply
   1,555,007x = 3,234,156 × 3,234,156
4. Step 4: Simplify right side
   1,555,007x = 10,459,765,032,336
5. Step 5: Solve for x
   x = 10,459,765,032,336/1,555,007
6. Step 6: Final answer
   x = 6,726,506.72