Finding the Third Proportional to 348,666.25 and 538,778

Step by Step Solution

1. Step 1: Write the proportion equation
   348,666.25 : 538,778 = 538,778 : x
2. Step 2: Convert to fraction form
   348,666.25/538,778 = 538,778/x
3. Step 3: Cross multiply
   348,666.25x = 538,778 × 538,778
4. Step 4: Simplify right side
   348,666.25x = 290,281,733,284
5. Step 5: Solve for x
   x = 290,281,733,284/348,666.25
6. Step 6: Final answer
   x = 832,548.99