Finding the Third Proportional to 1,114,509 and 1,721,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,509 : 1,721,988 = 1,721,988 : x
2. Step 2: Convert to fraction form
   1,114,509/1,721,988 = 1,721,988/x
3. Step 3: Cross multiply
   1,114,509x = 1,721,988 × 1,721,988
4. Step 4: Simplify right side
   1,114,509x = 2,965,242,672,144
5. Step 5: Solve for x
   x = 2,965,242,672,144/1,114,509
6. Step 6: Final answer
   x = 2,660,582.08