Finding the Third Proportional to 513,111 and 1,187,724

Step by Step Solution

1. Step 1: Write the proportion equation
   513,111 : 1,187,724 = 1,187,724 : x
2. Step 2: Convert to fraction form
   513,111/1,187,724 = 1,187,724/x
3. Step 3: Cross multiply
   513,111x = 1,187,724 × 1,187,724
4. Step 4: Simplify right side
   513,111x = 1,410,688,300,176
5. Step 5: Solve for x
   x = 1,410,688,300,176/513,111
6. Step 6: Final answer
   x = 2,749,284.85