Finding the Third Proportional to 190,830 and 252,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,830 : 252,316.50 = 252,316.50 : x
2. Step 2: Convert to fraction form
   190,830/252,316.50 = 252,316.50/x
3. Step 3: Cross multiply
   190,830x = 252,316.50 × 252,316.50
4. Step 4: Simplify right side
   190,830x = 63,663,616,172.25
5. Step 5: Solve for x
   x = 63,663,616,172.25/190,830
6. Step 6: Final answer
   x = 333,614.30