Finding the Third Proportional to 538,850.50 and 784,583

Step by Step Solution

1. Step 1: Write the proportion equation
   538,850.50 : 784,583 = 784,583 : x
2. Step 2: Convert to fraction form
   538,850.50/784,583 = 784,583/x
3. Step 3: Cross multiply
   538,850.50x = 784,583 × 784,583
4. Step 4: Simplify right side
   538,850.50x = 615,570,483,889
5. Step 5: Solve for x
   x = 615,570,483,889/538,850.50
6. Step 6: Final answer
   x = 1,142,377.12