Finding the Third Proportional to 99,733.50 and 219,690

Step by Step Solution

1. Step 1: Write the proportion equation
   99,733.50 : 219,690 = 219,690 : x
2. Step 2: Convert to fraction form
   99,733.50/219,690 = 219,690/x
3. Step 3: Cross multiply
   99,733.50x = 219,690 × 219,690
4. Step 4: Simplify right side
   99,733.50x = 48,263,696,100
5. Step 5: Solve for x
   x = 48,263,696,100/99,733.50
6. Step 6: Final answer
   x = 483,926.63