Finding the Third Proportional to 347,208 and 760,890

Step by Step Solution

1. Step 1: Write the proportion equation
   347,208 : 760,890 = 760,890 : x
2. Step 2: Convert to fraction form
   347,208/760,890 = 760,890/x
3. Step 3: Cross multiply
   347,208x = 760,890 × 760,890
4. Step 4: Simplify right side
   347,208x = 578,953,592,100
5. Step 5: Solve for x
   x = 578,953,592,100/347,208
6. Step 6: Final answer
   x = 1,667,454.64