Finding the Third Proportional to 360,090.56 and 776,007

Step by Step Solution

1. Step 1: Write the proportion equation
   360,090.56 : 776,007 = 776,007 : x
2. Step 2: Convert to fraction form
   360,090.56/776,007 = 776,007/x
3. Step 3: Cross multiply
   360,090.56x = 776,007 × 776,007
4. Step 4: Simplify right side
   360,090.56x = 602,186,864,049
5. Step 5: Solve for x
   x = 602,186,864,049/360,090.56
6. Step 6: Final answer
   x = 1,672,320.60