Finding the Third Proportional to 116,910 and 252,500.63

Step by Step Solution

1. Step 1: Write the proportion equation
   116,910 : 252,500.63 = 252,500.63 : x
2. Step 2: Convert to fraction form
   116,910/252,500.63 = 252,500.63/x
3. Step 3: Cross multiply
   116,910x = 252,500.63 × 252,500.63
4. Step 4: Simplify right side
   116,910x = 63,756,565,625.39
5. Step 5: Solve for x
   x = 63,756,565,625.39/116,910
6. Step 6: Final answer
   x = 545,347.41