Finding the Third Proportional to 356,808 and 552,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,808 : 552,112.50 = 552,112.50 : x
2. Step 2: Convert to fraction form
   356,808/552,112.50 = 552,112.50/x
3. Step 3: Cross multiply
   356,808x = 552,112.50 × 552,112.50
4. Step 4: Simplify right side
   356,808x = 304,828,212,656.25
5. Step 5: Solve for x
   x = 304,828,212,656.25/356,808
6. Step 6: Final answer
   x = 854,320.01