Finding the Third Proportional to 988,208 and 2,154,848

Step by Step Solution

1. Step 1: Write the proportion equation
   988,208 : 2,154,848 = 2,154,848 : x
2. Step 2: Convert to fraction form
   988,208/2,154,848 = 2,154,848/x
3. Step 3: Cross multiply
   988,208x = 2,154,848 × 2,154,848
4. Step 4: Simplify right side
   988,208x = 4,643,369,903,104
5. Step 5: Solve for x
   x = 4,643,369,903,104/988,208
6. Step 6: Final answer
   x = 4,698,777.89