Finding the Third Proportional to 983,307.50 and 2,139,661

Step by Step Solution

1. Step 1: Write the proportion equation
   983,307.50 : 2,139,661 = 2,139,661 : x
2. Step 2: Convert to fraction form
   983,307.50/2,139,661 = 2,139,661/x
3. Step 3: Cross multiply
   983,307.50x = 2,139,661 × 2,139,661
4. Step 4: Simplify right side
   983,307.50x = 4,578,149,194,921
5. Step 5: Solve for x
   x = 4,578,149,194,921/983,307.50
6. Step 6: Final answer
   x = 4,655,867.26