Finding the Third Proportional to 453,768.75 and 990,063

Step by Step Solution

1. Step 1: Write the proportion equation
   453,768.75 : 990,063 = 990,063 : x
2. Step 2: Convert to fraction form
   453,768.75/990,063 = 990,063/x
3. Step 3: Cross multiply
   453,768.75x = 990,063 × 990,063
4. Step 4: Simplify right side
   453,768.75x = 980,224,743,969
5. Step 5: Solve for x
   x = 980,224,743,969/453,768.75
6. Step 6: Final answer
   x = 2,160,185.65