Finding the Third Proportional to 49,851,042 and 80,096,749

Step by Step Solution

1. Step 1: Write the proportion equation
   49,851,042 : 80,096,749 = 80,096,749 : x
2. Step 2: Convert to fraction form
   49,851,042/80,096,749 = 80,096,749/x
3. Step 3: Cross multiply
   49,851,042x = 80,096,749 × 80,096,749
4. Step 4: Simplify right side
   49,851,042x = 6,415,489,200,369,001
5. Step 5: Solve for x
   x = 6,415,489,200,369,001/49,851,042
6. Step 6: Final answer
   x = 128,693,181.59