Finding the Third Proportional to 122,391 and 183,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,391 : 183,019.50 = 183,019.50 : x
2. Step 2: Convert to fraction form
   122,391/183,019.50 = 183,019.50/x
3. Step 3: Cross multiply
   122,391x = 183,019.50 × 183,019.50
4. Step 4: Simplify right side
   122,391x = 33,496,137,380.25
5. Step 5: Solve for x
   x = 33,496,137,380.25/122,391
6. Step 6: Final answer
   x = 273,681.38