Finding the Third Proportional to 348,714 and 538,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   348,714 : 538,843.50 = 538,843.50 : x
2. Step 2: Convert to fraction form
   348,714/538,843.50 = 538,843.50/x
3. Step 3: Cross multiply
   348,714x = 538,843.50 × 538,843.50
4. Step 4: Simplify right side
   348,714x = 290,352,317,492.25
5. Step 5: Solve for x
   x = 290,352,317,492.25/348,714
6. Step 6: Final answer
   x = 832,637.40