Finding the Third Proportional to 370,356 and 553,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   370,356 : 553,093.50 = 553,093.50 : x
2. Step 2: Convert to fraction form
   370,356/553,093.50 = 553,093.50/x
3. Step 3: Cross multiply
   370,356x = 553,093.50 × 553,093.50
4. Step 4: Simplify right side
   370,356x = 305,912,419,742.25
5. Step 5: Solve for x
   x = 305,912,419,742.25/370,356
6. Step 6: Final answer
   x = 825,995.58