Finding the Third Proportional to 905,492 and 1,225,372

Step by Step Solution

1. Step 1: Write the proportion equation
   905,492 : 1,225,372 = 1,225,372 : x
2. Step 2: Convert to fraction form
   905,492/1,225,372 = 1,225,372/x
3. Step 3: Cross multiply
   905,492x = 1,225,372 × 1,225,372
4. Step 4: Simplify right side
   905,492x = 1,501,536,538,384
5. Step 5: Solve for x
   x = 1,501,536,538,384/905,492
6. Step 6: Final answer
   x = 1,658,254.89