Finding the Third Proportional to 915,042 and 1,320,069

Step by Step Solution

1. Step 1: Write the proportion equation
   915,042 : 1,320,069 = 1,320,069 : x
2. Step 2: Convert to fraction form
   915,042/1,320,069 = 1,320,069/x
3. Step 3: Cross multiply
   915,042x = 1,320,069 × 1,320,069
4. Step 4: Simplify right side
   915,042x = 1,742,582,164,761
5. Step 5: Solve for x
   x = 1,742,582,164,761/915,042
6. Step 6: Final answer
   x = 1,904,373.97