Finding the Third Proportional to 139,459,836 and 304,030,290

Step by Step Solution

1. Step 1: Write the proportion equation
   139,459,836 : 304,030,290 = 304,030,290 : x
2. Step 2: Convert to fraction form
   139,459,836/304,030,290 = 304,030,290/x
3. Step 3: Cross multiply
   139,459,836x = 304,030,290 × 304,030,290
4. Step 4: Simplify right side
   139,459,836x = 92,434,417,237,484,096
5. Step 5: Solve for x
   x = 92,434,417,237,484,096/139,459,836
6. Step 6: Final answer
   x = 662,803,140.24