Finding the Third Proportional to 487,933.50 and 761,412

Step by Step Solution

1. Step 1: Write the proportion equation
   487,933.50 : 761,412 = 761,412 : x
2. Step 2: Convert to fraction form
   487,933.50/761,412 = 761,412/x
3. Step 3: Cross multiply
   487,933.50x = 761,412 × 761,412
4. Step 4: Simplify right side
   487,933.50x = 579,748,233,744
5. Step 5: Solve for x
   x = 579,748,233,744/487,933.50
6. Step 6: Final answer
   x = 1,188,170.59