Finding the Third Proportional to 988,462 and 2,158,174

Step by Step Solution

1. Step 1: Write the proportion equation
   988,462 : 2,158,174 = 2,158,174 : x
2. Step 2: Convert to fraction form
   988,462/2,158,174 = 2,158,174/x
3. Step 3: Cross multiply
   988,462x = 2,158,174 × 2,158,174
4. Step 4: Simplify right side
   988,462x = 4,657,715,014,276
5. Step 5: Solve for x
   x = 4,657,715,014,276/988,462
6. Step 6: Final answer
   x = 4,712,083.03