Finding the Third Proportional to 543,142 and 1,193,276

Step by Step Solution

1. Step 1: Write the proportion equation
   543,142 : 1,193,276 = 1,193,276 : x
2. Step 2: Convert to fraction form
   543,142/1,193,276 = 1,193,276/x
3. Step 3: Cross multiply
   543,142x = 1,193,276 × 1,193,276
4. Step 4: Simplify right side
   543,142x = 1,423,907,612,176
5. Step 5: Solve for x
   x = 1,423,907,612,176/543,142
6. Step 6: Final answer
   x = 2,621,612.05