Finding the Third Proportional to 510,258 and 1,117,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,258 : 1,117,189.50 = 1,117,189.50 : x
2. Step 2: Convert to fraction form
   510,258/1,117,189.50 = 1,117,189.50/x
3. Step 3: Cross multiply
   510,258x = 1,117,189.50 × 1,117,189.50
4. Step 4: Simplify right side
   510,258x = 1,248,112,378,910.25
5. Step 5: Solve for x
   x = 1,248,112,378,910.25/510,258
6. Step 6: Final answer
   x = 2,446,041.76