Finding the Third Proportional to 194,215.50 and 433,629

Step by Step Solution

1. Step 1: Write the proportion equation
   194,215.50 : 433,629 = 433,629 : x
2. Step 2: Convert to fraction form
   194,215.50/433,629 = 433,629/x
3. Step 3: Cross multiply
   194,215.50x = 433,629 × 433,629
4. Step 4: Simplify right side
   194,215.50x = 188,034,109,641
5. Step 5: Solve for x
   x = 188,034,109,641/194,215.50
6. Step 6: Final answer
   x = 968,172.52