Finding the Third Proportional to 456,619.50 and 991,050.75

Step by Step Solution

1. Step 1: Write the proportion equation
   456,619.50 : 991,050.75 = 991,050.75 : x
2. Step 2: Convert to fraction form
   456,619.50/991,050.75 = 991,050.75/x
3. Step 3: Cross multiply
   456,619.50x = 991,050.75 × 991,050.75
4. Step 4: Simplify right side
   456,619.50x = 982,181,589,075.56
5. Step 5: Solve for x
   x = 982,181,589,075.56/456,619.50
6. Step 6: Final answer
   x = 2,150,984.77