Finding the Third Proportional to 272,077,721.72 and 555,575,410.69

Step by Step Solution

1. Step 1: Write the proportion equation
   272,077,721.72 : 555,575,410.69 = 555,575,410.69 : x
2. Step 2: Convert to fraction form
   272,077,721.72/555,575,410.69 = 555,575,410.69/x
3. Step 3: Cross multiply
   272,077,721.72x = 555,575,410.69 × 555,575,410.69
4. Step 4: Simplify right side
   272,077,721.72x = 308,664,036,960,584,320
5. Step 5: Solve for x
   x = 308,664,036,960,584,320/272,077,721.72
6. Step 6: Final answer
   x = 1,134,470,088.22