Finding the Third Proportional to 380,355 and 592,342.69

Step by Step Solution

1. Step 1: Write the proportion equation
   380,355 : 592,342.69 = 592,342.69 : x
2. Step 2: Convert to fraction form
   380,355/592,342.69 = 592,342.69/x
3. Step 3: Cross multiply
   380,355x = 592,342.69 × 592,342.69
4. Step 4: Simplify right side
   380,355x = 350,869,859,434.72
5. Step 5: Solve for x
   x = 350,869,859,434.72/380,355
6. Step 6: Final answer
   x = 922,479.94