Finding the Third Proportional to 385,060.50 and 837,243

Step by Step Solution

1. Step 1: Write the proportion equation
   385,060.50 : 837,243 = 837,243 : x
2. Step 2: Convert to fraction form
   385,060.50/837,243 = 837,243/x
3. Step 3: Cross multiply
   385,060.50x = 837,243 × 837,243
4. Step 4: Simplify right side
   385,060.50x = 700,975,841,049
5. Step 5: Solve for x
   x = 700,975,841,049/385,060.50
6. Step 6: Final answer
   x = 1,820,430.40