Finding the Third Proportional to 135,855 and 295,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,855 : 295,069.50 = 295,069.50 : x
2. Step 2: Convert to fraction form
   135,855/295,069.50 = 295,069.50/x
3. Step 3: Cross multiply
   135,855x = 295,069.50 × 295,069.50
4. Step 4: Simplify right side
   135,855x = 87,066,009,830.25
5. Step 5: Solve for x
   x = 87,066,009,830.25/135,855
6. Step 6: Final answer
   x = 640,874.53