Finding the Third Proportional to 249,445.50 and 585,645

Step by Step Solution

1. Step 1: Write the proportion equation
   249,445.50 : 585,645 = 585,645 : x
2. Step 2: Convert to fraction form
   249,445.50/585,645 = 585,645/x
3. Step 3: Cross multiply
   249,445.50x = 585,645 × 585,645
4. Step 4: Simplify right side
   249,445.50x = 342,980,066,025
5. Step 5: Solve for x
   x = 342,980,066,025/249,445.50
6. Step 6: Final answer
   x = 1,374,969.95