Finding the Third Proportional to 203,953.50 and 437,418

Step by Step Solution

1. Step 1: Write the proportion equation
   203,953.50 : 437,418 = 437,418 : x
2. Step 2: Convert to fraction form
   203,953.50/437,418 = 437,418/x
3. Step 3: Cross multiply
   203,953.50x = 437,418 × 437,418
4. Step 4: Simplify right side
   203,953.50x = 191,334,506,724
5. Step 5: Solve for x
   x = 191,334,506,724/203,953.50
6. Step 6: Final answer
   x = 938,128.09