Finding the Third Proportional to 99,333.50 and 215,168

Step by Step Solution

1. Step 1: Write the proportion equation
   99,333.50 : 215,168 = 215,168 : x
2. Step 2: Convert to fraction form
   99,333.50/215,168 = 215,168/x
3. Step 3: Cross multiply
   99,333.50x = 215,168 × 215,168
4. Step 4: Simplify right side
   99,333.50x = 46,297,268,224
5. Step 5: Solve for x
   x = 46,297,268,224/99,333.50
6. Step 6: Final answer
   x = 466,079.10