Finding the Third Proportional to 983,313 and 2,139,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   983,313 : 2,139,670.50 = 2,139,670.50 : x
2. Step 2: Convert to fraction form
   983,313/2,139,670.50 = 2,139,670.50/x
3. Step 3: Cross multiply
   983,313x = 2,139,670.50 × 2,139,670.50
4. Step 4: Simplify right side
   983,313x = 4,578,189,848,570.25
5. Step 5: Solve for x
   x = 4,578,189,848,570.25/983,313
6. Step 6: Final answer
   x = 4,655,882.56