Finding the Third Proportional to 153,184.50 and 314,145

Step by Step Solution

1. Step 1: Write the proportion equation
   153,184.50 : 314,145 = 314,145 : x
2. Step 2: Convert to fraction form
   153,184.50/314,145 = 314,145/x
3. Step 3: Cross multiply
   153,184.50x = 314,145 × 314,145
4. Step 4: Simplify right side
   153,184.50x = 98,687,081,025
5. Step 5: Solve for x
   x = 98,687,081,025/153,184.50
6. Step 6: Final answer
   x = 644,236.73