Finding the Third Proportional to 1,359,196 and 3,174,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,196 : 3,174,428 = 3,174,428 : x
2. Step 2: Convert to fraction form
   1,359,196/3,174,428 = 3,174,428/x
3. Step 3: Cross multiply
   1,359,196x = 3,174,428 × 3,174,428
4. Step 4: Simplify right side
   1,359,196x = 10,076,993,127,184
5. Step 5: Solve for x
   x = 10,076,993,127,184/1,359,196
6. Step 6: Final answer
   x = 7,413,936.71