Finding the Third Proportional to 983,312 and 2,139,671

Step by Step Solution

1. Step 1: Write the proportion equation
   983,312 : 2,139,671 = 2,139,671 : x
2. Step 2: Convert to fraction form
   983,312/2,139,671 = 2,139,671/x
3. Step 3: Cross multiply
   983,312x = 2,139,671 × 2,139,671
4. Step 4: Simplify right side
   983,312x = 4,578,191,988,241
5. Step 5: Solve for x
   x = 4,578,191,988,241/983,312
6. Step 6: Final answer
   x = 4,655,889.47