Finding the Third Proportional to 516,618.75 and 1,112,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,618.75 : 1,112,401.50 = 1,112,401.50 : x
2. Step 2: Convert to fraction form
   516,618.75/1,112,401.50 = 1,112,401.50/x
3. Step 3: Cross multiply
   516,618.75x = 1,112,401.50 × 1,112,401.50
4. Step 4: Simplify right side
   516,618.75x = 1,237,437,097,202.25
5. Step 5: Solve for x
   x = 1,237,437,097,202.25/516,618.75
6. Step 6: Final answer
   x = 2,395,261.68