Finding the Third Proportional to 905,468 and 1,225,340

Step by Step Solution

1. Step 1: Write the proportion equation
   905,468 : 1,225,340 = 1,225,340 : x
2. Step 2: Convert to fraction form
   905,468/1,225,340 = 1,225,340/x
3. Step 3: Cross multiply
   905,468x = 1,225,340 × 1,225,340
4. Step 4: Simplify right side
   905,468x = 1,501,458,115,600
5. Step 5: Solve for x
   x = 1,501,458,115,600/905,468
6. Step 6: Final answer
   x = 1,658,212.23