Finding the Third Proportional to 725,598 and 1,089,126

Step by Step Solution

1. Step 1: Write the proportion equation
   725,598 : 1,089,126 = 1,089,126 : x
2. Step 2: Convert to fraction form
   725,598/1,089,126 = 1,089,126/x
3. Step 3: Cross multiply
   725,598x = 1,089,126 × 1,089,126
4. Step 4: Simplify right side
   725,598x = 1,186,195,443,876
5. Step 5: Solve for x
   x = 1,186,195,443,876/725,598
6. Step 6: Final answer
   x = 1,634,783.23