Finding the Third Proportional to 899,390 and 1,926,292

Step by Step Solution

1. Step 1: Write the proportion equation
   899,390 : 1,926,292 = 1,926,292 : x
2. Step 2: Convert to fraction form
   899,390/1,926,292 = 1,926,292/x
3. Step 3: Cross multiply
   899,390x = 1,926,292 × 1,926,292
4. Step 4: Simplify right side
   899,390x = 3,710,600,869,264
5. Step 5: Solve for x
   x = 3,710,600,869,264/899,390
6. Step 6: Final answer
   x = 4,125,686.15