Finding the Third Proportional to 1,377,505.69 and 3,216,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,505.69 : 3,216,708 = 3,216,708 : x
2. Step 2: Convert to fraction form
   1,377,505.69/3,216,708 = 3,216,708/x
3. Step 3: Cross multiply
   1,377,505.69x = 3,216,708 × 3,216,708
4. Step 4: Simplify right side
   1,377,505.69x = 10,347,210,357,264
5. Step 5: Solve for x
   x = 10,347,210,357,264/1,377,505.69
6. Step 6: Final answer
   x = 7,511,555.45