Finding the Third Proportional to 613,063.69 and 919,800.56

Step by Step Solution

1. Step 1: Write the proportion equation
   613,063.69 : 919,800.56 = 919,800.56 : x
2. Step 2: Convert to fraction form
   613,063.69/919,800.56 = 919,800.56/x
3. Step 3: Cross multiply
   613,063.69x = 919,800.56 × 919,800.56
4. Step 4: Simplify right side
   613,063.69x = 846,033,074,775.32
5. Step 5: Solve for x
   x = 846,033,074,775.32/613,063.69
6. Step 6: Final answer
   x = 1,380,008.46