Finding the Third Proportional to 964,431 and 1,455,390

Step by Step Solution

1. Step 1: Write the proportion equation
   964,431 : 1,455,390 = 1,455,390 : x
2. Step 2: Convert to fraction form
   964,431/1,455,390 = 1,455,390/x
3. Step 3: Cross multiply
   964,431x = 1,455,390 × 1,455,390
4. Step 4: Simplify right side
   964,431x = 2,118,160,052,100
5. Step 5: Solve for x
   x = 2,118,160,052,100/964,431
6. Step 6: Final answer
   x = 2,196,279.52