Finding the Third Proportional to 553,008 and 1,213,152

Step by Step Solution

1. Step 1: Write the proportion equation
   553,008 : 1,213,152 = 1,213,152 : x
2. Step 2: Convert to fraction form
   553,008/1,213,152 = 1,213,152/x
3. Step 3: Cross multiply
   553,008x = 1,213,152 × 1,213,152
4. Step 4: Simplify right side
   553,008x = 1,471,737,775,104
5. Step 5: Solve for x
   x = 1,471,737,775,104/553,008
6. Step 6: Final answer
   x = 2,661,331.80