Finding the Third Proportional to 184,860 and 278,602

Step by Step Solution

1. Step 1: Write the proportion equation
   184,860 : 278,602 = 278,602 : x
2. Step 2: Convert to fraction form
   184,860/278,602 = 278,602/x
3. Step 3: Cross multiply
   184,860x = 278,602 × 278,602
4. Step 4: Simplify right side
   184,860x = 77,619,074,404
5. Step 5: Solve for x
   x = 77,619,074,404/184,860
6. Step 6: Final answer
   x = 419,880.31