Finding the Third Proportional to 183,480 and 258,378.75

Step by Step Solution

1. Step 1: Write the proportion equation
   183,480 : 258,378.75 = 258,378.75 : x
2. Step 2: Convert to fraction form
   183,480/258,378.75 = 258,378.75/x
3. Step 3: Cross multiply
   183,480x = 258,378.75 × 258,378.75
4. Step 4: Simplify right side
   183,480x = 66,759,578,451.56
5. Step 5: Solve for x
   x = 66,759,578,451.56/183,480
6. Step 6: Final answer
   x = 363,852.07