Finding the Third Proportional to 201,159 and 418,852.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,159 : 418,852.50 = 418,852.50 : x
2. Step 2: Convert to fraction form
   201,159/418,852.50 = 418,852.50/x
3. Step 3: Cross multiply
   201,159x = 418,852.50 × 418,852.50
4. Step 4: Simplify right side
   201,159x = 175,437,416,756.25
5. Step 5: Solve for x
   x = 175,437,416,756.25/201,159
6. Step 6: Final answer
   x = 872,133.07