Finding the Third Proportional to 106,748.50 and 229,991

Step by Step Solution

1. Step 1: Write the proportion equation
   106,748.50 : 229,991 = 229,991 : x
2. Step 2: Convert to fraction form
   106,748.50/229,991 = 229,991/x
3. Step 3: Cross multiply
   106,748.50x = 229,991 × 229,991
4. Step 4: Simplify right side
   106,748.50x = 52,895,860,081
5. Step 5: Solve for x
   x = 52,895,860,081/106,748.50
6. Step 6: Final answer
   x = 495,518.53