Finding the Third Proportional to 657,144 and 939,060

Step by Step Solution

1. Step 1: Write the proportion equation
   657,144 : 939,060 = 939,060 : x
2. Step 2: Convert to fraction form
   657,144/939,060 = 939,060/x
3. Step 3: Cross multiply
   657,144x = 939,060 × 939,060
4. Step 4: Simplify right side
   657,144x = 881,833,683,600
5. Step 5: Solve for x
   x = 881,833,683,600/657,144
6. Step 6: Final answer
   x = 1,341,918.49