Finding the Third Proportional to 348,574.50 and 761,112

Step by Step Solution

1. Step 1: Write the proportion equation
   348,574.50 : 761,112 = 761,112 : x
2. Step 2: Convert to fraction form
   348,574.50/761,112 = 761,112/x
3. Step 3: Cross multiply
   348,574.50x = 761,112 × 761,112
4. Step 4: Simplify right side
   348,574.50x = 579,291,476,544
5. Step 5: Solve for x
   x = 579,291,476,544/348,574.50
6. Step 6: Final answer
   x = 1,661,887.13