Finding the Third Proportional to 299,914.50 and 633,545

Step by Step Solution

1. Step 1: Write the proportion equation
   299,914.50 : 633,545 = 633,545 : x
2. Step 2: Convert to fraction form
   299,914.50/633,545 = 633,545/x
3. Step 3: Cross multiply
   299,914.50x = 633,545 × 633,545
4. Step 4: Simplify right side
   299,914.50x = 401,379,267,025
5. Step 5: Solve for x
   x = 401,379,267,025/299,914.50
6. Step 6: Final answer
   x = 1,338,312.31