Finding the Third Proportional to 860,075.72 and 1,366,389

Step by Step Solution

1. Step 1: Write the proportion equation
   860,075.72 : 1,366,389 = 1,366,389 : x
2. Step 2: Convert to fraction form
   860,075.72/1,366,389 = 1,366,389/x
3. Step 3: Cross multiply
   860,075.72x = 1,366,389 × 1,366,389
4. Step 4: Simplify right side
   860,075.72x = 1,867,018,899,321
5. Step 5: Solve for x
   x = 1,867,018,899,321/860,075.72
6. Step 6: Final answer
   x = 2,170,761.08