Finding the Third Proportional to 510,090 and 1,117,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,090 : 1,117,141.50 = 1,117,141.50 : x
2. Step 2: Convert to fraction form
   510,090/1,117,141.50 = 1,117,141.50/x
3. Step 3: Cross multiply
   510,090x = 1,117,141.50 × 1,117,141.50
4. Step 4: Simplify right side
   510,090x = 1,248,005,131,022.25
5. Step 5: Solve for x
   x = 1,248,005,131,022.25/510,090
6. Step 6: Final answer
   x = 2,446,637.12