Finding the Third Proportional to 1,139,153 and 1,602,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,153 : 1,602,142 = 1,602,142 : x
2. Step 2: Convert to fraction form
   1,139,153/1,602,142 = 1,602,142/x
3. Step 3: Cross multiply
   1,139,153x = 1,602,142 × 1,602,142
4. Step 4: Simplify right side
   1,139,153x = 2,566,858,988,164
5. Step 5: Solve for x
   x = 2,566,858,988,164/1,139,153
6. Step 6: Final answer
   x = 2,253,304.86