Finding the Third Proportional to 3,186,128 and 5,047,528

Step by Step Solution

1. Step 1: Write the proportion equation
   3,186,128 : 5,047,528 = 5,047,528 : x
2. Step 2: Convert to fraction form
   3,186,128/5,047,528 = 5,047,528/x
3. Step 3: Cross multiply
   3,186,128x = 5,047,528 × 5,047,528
4. Step 4: Simplify right side
   3,186,128x = 25,477,538,910,784
5. Step 5: Solve for x
   x = 25,477,538,910,784/3,186,128
6. Step 6: Final answer
   x = 7,996,395.28