Finding the Third Proportional to 182,911.50 and 385,749

Step by Step Solution

1. Step 1: Write the proportion equation
   182,911.50 : 385,749 = 385,749 : x
2. Step 2: Convert to fraction form
   182,911.50/385,749 = 385,749/x
3. Step 3: Cross multiply
   182,911.50x = 385,749 × 385,749
4. Step 4: Simplify right side
   182,911.50x = 148,802,291,001
5. Step 5: Solve for x
   x = 148,802,291,001/182,911.50
6. Step 6: Final answer
   x = 813,520.70