Finding the Third Proportional to 372,492 and 557,254.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,492 : 557,254.50 = 557,254.50 : x
2. Step 2: Convert to fraction form
   372,492/557,254.50 = 557,254.50/x
3. Step 3: Cross multiply
   372,492x = 557,254.50 × 557,254.50
4. Step 4: Simplify right side
   372,492x = 310,532,577,770.25
5. Step 5: Solve for x
   x = 310,532,577,770.25/372,492
6. Step 6: Final answer
   x = 833,662.41