Finding the Third Proportional to 116,530.31 and 253,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,530.31 : 253,818.56 = 253,818.56 : x
2. Step 2: Convert to fraction form
   116,530.31/253,818.56 = 253,818.56/x
3. Step 3: Cross multiply
   116,530.31x = 253,818.56 × 253,818.56
4. Step 4: Simplify right side
   116,530.31x = 64,423,862,669.57
5. Step 5: Solve for x
   x = 64,423,862,669.57/116,530.31
6. Step 6: Final answer
   x = 552,850.68