Finding the Third Proportional to 362,783.81 and 776,415.38

Step by Step Solution

1. Step 1: Write the proportion equation
   362,783.81 : 776,415.38 = 776,415.38 : x
2. Step 2: Convert to fraction form
   362,783.81/776,415.38 = 776,415.38/x
3. Step 3: Cross multiply
   362,783.81x = 776,415.38 × 776,415.38
4. Step 4: Simplify right side
   362,783.81x = 602,820,834,536.39
5. Step 5: Solve for x
   x = 602,820,834,536.39/362,783.81
6. Step 6: Final answer
   x = 1,661,653.07