Finding the Third Proportional to 377,973.21 and 585,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   377,973.21 : 585,242.72 = 585,242.72 : x
2. Step 2: Convert to fraction form
   377,973.21/585,242.72 = 585,242.72/x
3. Step 3: Cross multiply
   377,973.21x = 585,242.72 × 585,242.72
4. Step 4: Simplify right side
   377,973.21x = 342,509,039,849.89
5. Step 5: Solve for x
   x = 342,509,039,849.89/377,973.21
6. Step 6: Final answer
   x = 906,172.79