Finding the Third Proportional to 281,010 and 421,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,010 : 421,525.50 = 421,525.50 : x
2. Step 2: Convert to fraction form
   281,010/421,525.50 = 421,525.50/x
3. Step 3: Cross multiply
   281,010x = 421,525.50 × 421,525.50
4. Step 4: Simplify right side
   281,010x = 177,683,747,150.25
5. Step 5: Solve for x
   x = 177,683,747,150.25/281,010
6. Step 6: Final answer
   x = 632,304.00