Finding the Third Proportional to 553,896 and 792,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   553,896 : 792,085.50 = 792,085.50 : x
2. Step 2: Convert to fraction form
   553,896/792,085.50 = 792,085.50/x
3. Step 3: Cross multiply
   553,896x = 792,085.50 × 792,085.50
4. Step 4: Simplify right side
   553,896x = 627,399,439,310.25
5. Step 5: Solve for x
   x = 627,399,439,310.25/553,896
6. Step 6: Final answer
   x = 1,132,702.60