Finding the Third Proportional to 122,310 and 194,582.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,310 : 194,582.25 = 194,582.25 : x
2. Step 2: Convert to fraction form
   122,310/194,582.25 = 194,582.25/x
3. Step 3: Cross multiply
   122,310x = 194,582.25 × 194,582.25
4. Step 4: Simplify right side
   122,310x = 37,862,252,015.06
5. Step 5: Solve for x
   x = 37,862,252,015.06/122,310
6. Step 6: Final answer
   x = 309,559.74