Finding the Third Proportional to 1,465,128 and 3,173,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465,128 : 3,173,836.50 = 3,173,836.50 : x
2. Step 2: Convert to fraction form
   1,465,128/3,173,836.50 = 3,173,836.50/x
3. Step 3: Cross multiply
   1,465,128x = 3,173,836.50 × 3,173,836.50
4. Step 4: Simplify right side
   1,465,128x = 10,073,238,128,732.25
5. Step 5: Solve for x
   x = 10,073,238,128,732.25/1,465,128
6. Step 6: Final answer
   x = 6,875,329.75