Finding the Third Proportional to 526,770 and 1,137,780

Step by Step Solution

1. Step 1: Write the proportion equation
   526,770 : 1,137,780 = 1,137,780 : x
2. Step 2: Convert to fraction form
   526,770/1,137,780 = 1,137,780/x
3. Step 3: Cross multiply
   526,770x = 1,137,780 × 1,137,780
4. Step 4: Simplify right side
   526,770x = 1,294,543,328,400
5. Step 5: Solve for x
   x = 1,294,543,328,400/526,770
6. Step 6: Final answer
   x = 2,457,511.49