Finding the Third Proportional to 55,272,462 and 118,309,389

Step by Step Solution

1. Step 1: Write the proportion equation
   55,272,462 : 118,309,389 = 118,309,389 : x
2. Step 2: Convert to fraction form
   55,272,462/118,309,389 = 118,309,389/x
3. Step 3: Cross multiply
   55,272,462x = 118,309,389 × 118,309,389
4. Step 4: Simplify right side
   55,272,462x = 13,997,111,525,553,320
5. Step 5: Solve for x
   x = 13,997,111,525,553,320/55,272,462
6. Step 6: Final answer
   x = 253,238,430.48