Finding the Third Proportional to 1,588,221 and 2,397,139.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,221 : 2,397,139.31 = 2,397,139.31 : x
2. Step 2: Convert to fraction form
   1,588,221/2,397,139.31 = 2,397,139.31/x
3. Step 3: Cross multiply
   1,588,221x = 2,397,139.31 × 2,397,139.31
4. Step 4: Simplify right side
   1,588,221x = 5,746,276,883,532.97
5. Step 5: Solve for x
   x = 5,746,276,883,532.97/1,588,221
6. Step 6: Final answer
   x = 3,618,058.75