Finding the Third Proportional to 139,642,634 and 296,307,080

Step by Step Solution

1. Step 1: Write the proportion equation
   139,642,634 : 296,307,080 = 296,307,080 : x
2. Step 2: Convert to fraction form
   139,642,634/296,307,080 = 296,307,080/x
3. Step 3: Cross multiply
   139,642,634x = 296,307,080 × 296,307,080
4. Step 4: Simplify right side
   139,642,634x = 87,797,885,658,126,400
5. Step 5: Solve for x
   x = 87,797,885,658,126,400/139,642,634
6. Step 6: Final answer
   x = 628,732,666.69