Finding the Third Proportional to 738,520 and 1,606,640

Step by Step Solution

1. Step 1: Write the proportion equation
   738,520 : 1,606,640 = 1,606,640 : x
2. Step 2: Convert to fraction form
   738,520/1,606,640 = 1,606,640/x
3. Step 3: Cross multiply
   738,520x = 1,606,640 × 1,606,640
4. Step 4: Simplify right side
   738,520x = 2,581,292,089,600
5. Step 5: Solve for x
   x = 2,581,292,089,600/738,520
6. Step 6: Final answer
   x = 3,495,223.00