Finding the Third Proportional to 1,089,572 and 1,691,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,572 : 1,691,028 = 1,691,028 : x
2. Step 2: Convert to fraction form
   1,089,572/1,691,028 = 1,691,028/x
3. Step 3: Cross multiply
   1,089,572x = 1,691,028 × 1,691,028
4. Step 4: Simplify right side
   1,089,572x = 2,859,575,696,784
5. Step 5: Solve for x
   x = 2,859,575,696,784/1,089,572
6. Step 6: Final answer
   x = 2,624,494.48