Finding the Third Proportional to 139,923,752 and 307,395,280

Step by Step Solution

1. Step 1: Write the proportion equation
   139,923,752 : 307,395,280 = 307,395,280 : x
2. Step 2: Convert to fraction form
   139,923,752/307,395,280 = 307,395,280/x
3. Step 3: Cross multiply
   139,923,752x = 307,395,280 × 307,395,280
4. Step 4: Simplify right side
   139,923,752x = 94,491,858,166,278,400
5. Step 5: Solve for x
   x = 94,491,858,166,278,400/139,923,752
6. Step 6: Final answer
   x = 675,309,636.97