Finding the Third Proportional to 426,122 and 904,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,122 : 904,792.50 = 904,792.50 : x
2. Step 2: Convert to fraction form
   426,122/904,792.50 = 904,792.50/x
3. Step 3: Cross multiply
   426,122x = 904,792.50 × 904,792.50
4. Step 4: Simplify right side
   426,122x = 818,649,468,056.25
5. Step 5: Solve for x
   x = 818,649,468,056.25/426,122
6. Step 6: Final answer
   x = 1,921,162.17