Finding the Third Proportional to 183,073.50 and 385,830

Step by Step Solution

1. Step 1: Write the proportion equation
   183,073.50 : 385,830 = 385,830 : x
2. Step 2: Convert to fraction form
   183,073.50/385,830 = 385,830/x
3. Step 3: Cross multiply
   183,073.50x = 385,830 × 385,830
4. Step 4: Simplify right side
   183,073.50x = 148,864,788,900
5. Step 5: Solve for x
   x = 148,864,788,900/183,073.50
6. Step 6: Final answer
   x = 813,142.20