Finding the Third Proportional to 350,656.50 and 761,091

Step by Step Solution

1. Step 1: Write the proportion equation
   350,656.50 : 761,091 = 761,091 : x
2. Step 2: Convert to fraction form
   350,656.50/761,091 = 761,091/x
3. Step 3: Cross multiply
   350,656.50x = 761,091 × 761,091
4. Step 4: Simplify right side
   350,656.50x = 579,259,510,281
5. Step 5: Solve for x
   x = 579,259,510,281/350,656.50
6. Step 6: Final answer
   x = 1,651,928.63