Finding the Third Proportional to 410,077.69 and 615,114

Step by Step Solution

1. Step 1: Write the proportion equation
   410,077.69 : 615,114 = 615,114 : x
2. Step 2: Convert to fraction form
   410,077.69/615,114 = 615,114/x
3. Step 3: Cross multiply
   410,077.69x = 615,114 × 615,114
4. Step 4: Simplify right side
   410,077.69x = 378,365,232,996
5. Step 5: Solve for x
   x = 378,365,232,996/410,077.69
6. Step 6: Final answer
   x = 922,667.20