Finding the Third Proportional to 424,322 and 915,074

Step by Step Solution

1. Step 1: Write the proportion equation
   424,322 : 915,074 = 915,074 : x
2. Step 2: Convert to fraction form
   424,322/915,074 = 915,074/x
3. Step 3: Cross multiply
   424,322x = 915,074 × 915,074
4. Step 4: Simplify right side
   424,322x = 837,360,425,476
5. Step 5: Solve for x
   x = 837,360,425,476/424,322
6. Step 6: Final answer
   x = 1,973,407.99