Finding the Third Proportional to 552,615 and 830,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   552,615 : 830,974.50 = 830,974.50 : x
2. Step 2: Convert to fraction form
   552,615/830,974.50 = 830,974.50/x
3. Step 3: Cross multiply
   552,615x = 830,974.50 × 830,974.50
4. Step 4: Simplify right side
   552,615x = 690,518,619,650.25
5. Step 5: Solve for x
   x = 690,518,619,650.25/552,615
6. Step 6: Final answer
   x = 1,249,547.37