Finding the Third Proportional to 543,003 and 798,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   543,003 : 798,688.50 = 798,688.50 : x
2. Step 2: Convert to fraction form
   543,003/798,688.50 = 798,688.50/x
3. Step 3: Cross multiply
   543,003x = 798,688.50 × 798,688.50
4. Step 4: Simplify right side
   543,003x = 637,903,320,032.25
5. Step 5: Solve for x
   x = 637,903,320,032.25/543,003
6. Step 6: Final answer
   x = 1,174,769.42