Finding the Third Proportional to 53,973,540 and 82,909,272

Step by Step Solution

1. Step 1: Write the proportion equation
   53,973,540 : 82,909,272 = 82,909,272 : x
2. Step 2: Convert to fraction form
   53,973,540/82,909,272 = 82,909,272/x
3. Step 3: Cross multiply
   53,973,540x = 82,909,272 × 82,909,272
4. Step 4: Simplify right side
   53,973,540x = 6,873,947,383,569,984
5. Step 5: Solve for x
   x = 6,873,947,383,569,984/53,973,540
6. Step 6: Final answer
   x = 127,357,727.20