Finding the Third Proportional to 42,777,576 and 89,080,272

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777,576 : 89,080,272 = 89,080,272 : x
2. Step 2: Convert to fraction form
   42,777,576/89,080,272 = 89,080,272/x
3. Step 3: Cross multiply
   42,777,576x = 89,080,272 × 89,080,272
4. Step 4: Simplify right side
   42,777,576x = 7,935,294,859,593,984
5. Step 5: Solve for x
   x = 7,935,294,859,593,984/42,777,576
6. Step 6: Final answer
   x = 185,501,274.30