Finding the Third Proportional to 782,848 and 1,089,280

Step by Step Solution

1. Step 1: Write the proportion equation
   782,848 : 1,089,280 = 1,089,280 : x
2. Step 2: Convert to fraction form
   782,848/1,089,280 = 1,089,280/x
3. Step 3: Cross multiply
   782,848x = 1,089,280 × 1,089,280
4. Step 4: Simplify right side
   782,848x = 1,186,530,918,400
5. Step 5: Solve for x
   x = 1,186,530,918,400/782,848
6. Step 6: Final answer
   x = 1,515,659.39