Finding the Third Proportional to 191,013 and 245,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,013 : 245,857.50 = 245,857.50 : x
2. Step 2: Convert to fraction form
   191,013/245,857.50 = 245,857.50/x
3. Step 3: Cross multiply
   191,013x = 245,857.50 × 245,857.50
4. Step 4: Simplify right side
   191,013x = 60,445,910,306.25
5. Step 5: Solve for x
   x = 60,445,910,306.25/191,013
6. Step 6: Final answer
   x = 316,449.20