Finding the Third Proportional to 526,840 and 1,142,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   526,840 : 1,142,255.50 = 1,142,255.50 : x
2. Step 2: Convert to fraction form
   526,840/1,142,255.50 = 1,142,255.50/x
3. Step 3: Cross multiply
   526,840x = 1,142,255.50 × 1,142,255.50
4. Step 4: Simplify right side
   526,840x = 1,304,747,627,280.25
5. Step 5: Solve for x
   x = 1,304,747,627,280.25/526,840
6. Step 6: Final answer
   x = 2,476,553.84