Finding the Third Proportional to 272,078.16 and 632,422.69

Step by Step Solution

1. Step 1: Write the proportion equation
   272,078.16 : 632,422.69 = 632,422.69 : x
2. Step 2: Convert to fraction form
   272,078.16/632,422.69 = 632,422.69/x
3. Step 3: Cross multiply
   272,078.16x = 632,422.69 × 632,422.69
4. Step 4: Simplify right side
   272,078.16x = 399,958,455,664.72
5. Step 5: Solve for x
   x = 399,958,455,664.72/272,078.16
6. Step 6: Final answer
   x = 1,470,013.11