Finding the Third Proportional to 359,343 and 538,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,343 : 538,969.50 = 538,969.50 : x
2. Step 2: Convert to fraction form
   359,343/538,969.50 = 538,969.50/x
3. Step 3: Cross multiply
   359,343x = 538,969.50 × 538,969.50
4. Step 4: Simplify right side
   359,343x = 290,488,121,930.25
5. Step 5: Solve for x
   x = 290,488,121,930.25/359,343
6. Step 6: Final answer
   x = 808,386.76