Finding the Third Proportional to 1,538,221 and 2,387,967

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,221 : 2,387,967 = 2,387,967 : x
2. Step 2: Convert to fraction form
   1,538,221/2,387,967 = 2,387,967/x
3. Step 3: Cross multiply
   1,538,221x = 2,387,967 × 2,387,967
4. Step 4: Simplify right side
   1,538,221x = 5,702,386,393,089
5. Step 5: Solve for x
   x = 5,702,386,393,089/1,538,221
6. Step 6: Final answer
   x = 3,707,130.77