Finding the Third Proportional to 552,513.50 and 779,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   552,513.50 : 779,869.50 = 779,869.50 : x
2. Step 2: Convert to fraction form
   552,513.50/779,869.50 = 779,869.50/x
3. Step 3: Cross multiply
   552,513.50x = 779,869.50 × 779,869.50
4. Step 4: Simplify right side
   552,513.50x = 608,196,437,030.25
5. Step 5: Solve for x
   x = 608,196,437,030.25/552,513.50
6. Step 6: Final answer
   x = 1,100,781.13