Finding the Third Proportional to 738,440 and 1,106,428

Step by Step Solution

1. Step 1: Write the proportion equation
   738,440 : 1,106,428 = 1,106,428 : x
2. Step 2: Convert to fraction form
   738,440/1,106,428 = 1,106,428/x
3. Step 3: Cross multiply
   738,440x = 1,106,428 × 1,106,428
4. Step 4: Simplify right side
   738,440x = 1,224,182,919,184
5. Step 5: Solve for x
   x = 1,224,182,919,184/738,440
6. Step 6: Final answer
   x = 1,657,796.06