Finding the Third Proportional to 515,160 and 1,118,988

Step by Step Solution

1. Step 1: Write the proportion equation
   515,160 : 1,118,988 = 1,118,988 : x
2. Step 2: Convert to fraction form
   515,160/1,118,988 = 1,118,988/x
3. Step 3: Cross multiply
   515,160x = 1,118,988 × 1,118,988
4. Step 4: Simplify right side
   515,160x = 1,252,134,144,144
5. Step 5: Solve for x
   x = 1,252,134,144,144/515,160
6. Step 6: Final answer
   x = 2,430,573.31