Finding the Third Proportional to 116,372 and 253,480

Step by Step Solution

1. Step 1: Write the proportion equation
   116,372 : 253,480 = 253,480 : x
2. Step 2: Convert to fraction form
   116,372/253,480 = 253,480/x
3. Step 3: Cross multiply
   116,372x = 253,480 × 253,480
4. Step 4: Simplify right side
   116,372x = 64,252,110,400
5. Step 5: Solve for x
   x = 64,252,110,400/116,372
6. Step 6: Final answer
   x = 552,126.89