Finding the Third Proportional to 542,852 and 798,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,852 : 798,472.50 = 798,472.50 : x
2. Step 2: Convert to fraction form
   542,852/798,472.50 = 798,472.50/x
3. Step 3: Cross multiply
   542,852x = 798,472.50 × 798,472.50
4. Step 4: Simplify right side
   542,852x = 637,558,333,256.25
5. Step 5: Solve for x
   x = 637,558,333,256.25/542,852
6. Step 6: Final answer
   x = 1,174,460.69