Finding the Third Proportional to 184,146 and 278,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,146 : 278,710.50 = 278,710.50 : x
2. Step 2: Convert to fraction form
   184,146/278,710.50 = 278,710.50/x
3. Step 3: Cross multiply
   184,146x = 278,710.50 × 278,710.50
4. Step 4: Simplify right side
   184,146x = 77,679,542,810.25
5. Step 5: Solve for x
   x = 77,679,542,810.25/184,146
6. Step 6: Final answer
   x = 421,836.71