Finding the Third Proportional to 751,448 and 1,772,072

Step by Step Solution

1. Step 1: Write the proportion equation
   751,448 : 1,772,072 = 1,772,072 : x
2. Step 2: Convert to fraction form
   751,448/1,772,072 = 1,772,072/x
3. Step 3: Cross multiply
   751,448x = 1,772,072 × 1,772,072
4. Step 4: Simplify right side
   751,448x = 3,140,239,173,184
5. Step 5: Solve for x
   x = 3,140,239,173,184/751,448
6. Step 6: Final answer
   x = 4,178,917.47