Finding the Third Proportional to 570,888 and 1,243,485

Step by Step Solution

1. Step 1: Write the proportion equation
   570,888 : 1,243,485 = 1,243,485 : x
2. Step 2: Convert to fraction form
   570,888/1,243,485 = 1,243,485/x
3. Step 3: Cross multiply
   570,888x = 1,243,485 × 1,243,485
4. Step 4: Simplify right side
   570,888x = 1,546,254,945,225
5. Step 5: Solve for x
   x = 1,546,254,945,225/570,888
6. Step 6: Final answer
   x = 2,708,508.40