Finding the Third Proportional to 122,339 and 187,165.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,339 : 187,165.25 = 187,165.25 : x
2. Step 2: Convert to fraction form
   122,339/187,165.25 = 187,165.25/x
3. Step 3: Cross multiply
   122,339x = 187,165.25 × 187,165.25
4. Step 4: Simplify right side
   122,339x = 35,030,830,807.56
5. Step 5: Solve for x
   x = 35,030,830,807.56/122,339
6. Step 6: Final answer
   x = 286,342.30