Finding the Third Proportional to 120,888 and 169,937.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,888 : 169,937.50 = 169,937.50 : x
2. Step 2: Convert to fraction form
   120,888/169,937.50 = 169,937.50/x
3. Step 3: Cross multiply
   120,888x = 169,937.50 × 169,937.50
4. Step 4: Simplify right side
   120,888x = 28,878,753,906.25
5. Step 5: Solve for x
   x = 28,878,753,906.25/120,888
6. Step 6: Final answer
   x = 238,888.51