Finding the Third Proportional to 139,670,672 and 283,323,880

Step by Step Solution

1. Step 1: Write the proportion equation
   139,670,672 : 283,323,880 = 283,323,880 : x
2. Step 2: Convert to fraction form
   139,670,672/283,323,880 = 283,323,880/x
3. Step 3: Cross multiply
   139,670,672x = 283,323,880 × 283,323,880
4. Step 4: Simplify right side
   139,670,672x = 80,272,420,978,254,400
5. Step 5: Solve for x
   x = 80,272,420,978,254,400/139,670,672
6. Step 6: Final answer
   x = 574,726,389.08