Finding the Third Proportional to 153,463.50 and 328,242

Step by Step Solution

1. Step 1: Write the proportion equation
   153,463.50 : 328,242 = 328,242 : x
2. Step 2: Convert to fraction form
   153,463.50/328,242 = 328,242/x
3. Step 3: Cross multiply
   153,463.50x = 328,242 × 328,242
4. Step 4: Simplify right side
   153,463.50x = 107,742,810,564
5. Step 5: Solve for x
   x = 107,742,810,564/153,463.50
6. Step 6: Final answer
   x = 702,074.50