Finding the Third Proportional to 1,132,158 and 1,538,391

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,158 : 1,538,391 = 1,538,391 : x
2. Step 2: Convert to fraction form
   1,132,158/1,538,391 = 1,538,391/x
3. Step 3: Cross multiply
   1,132,158x = 1,538,391 × 1,538,391
4. Step 4: Simplify right side
   1,132,158x = 2,366,646,868,881
5. Step 5: Solve for x
   x = 2,366,646,868,881/1,132,158
6. Step 6: Final answer
   x = 2,090,385.68