Finding the Third Proportional to 748,662 and 1,623,432

Step by Step Solution

1. Step 1: Write the proportion equation
   748,662 : 1,623,432 = 1,623,432 : x
2. Step 2: Convert to fraction form
   748,662/1,623,432 = 1,623,432/x
3. Step 3: Cross multiply
   748,662x = 1,623,432 × 1,623,432
4. Step 4: Simplify right side
   748,662x = 2,635,531,458,624
5. Step 5: Solve for x
   x = 2,635,531,458,624/748,662
6. Step 6: Final answer
   x = 3,520,322.20