Finding the Third Proportional to 201,528 and 439,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,528 : 439,897.50 = 439,897.50 : x
2. Step 2: Convert to fraction form
   201,528/439,897.50 = 439,897.50/x
3. Step 3: Cross multiply
   201,528x = 439,897.50 × 439,897.50
4. Step 4: Simplify right side
   201,528x = 193,509,810,506.25
5. Step 5: Solve for x
   x = 193,509,810,506.25/201,528
6. Step 6: Final answer
   x = 960,213.03