Finding the Third Proportional to 869,199 and 1,343,166

Step by Step Solution

1. Step 1: Write the proportion equation
   869,199 : 1,343,166 = 1,343,166 : x
2. Step 2: Convert to fraction form
   869,199/1,343,166 = 1,343,166/x
3. Step 3: Cross multiply
   869,199x = 1,343,166 × 1,343,166
4. Step 4: Simplify right side
   869,199x = 1,804,094,903,556
5. Step 5: Solve for x
   x = 1,804,094,903,556/869,199
6. Step 6: Final answer
   x = 2,075,583.27