Finding the Third Proportional to 133,619,590 and 279,456,483

Step by Step Solution

1. Step 1: Write the proportion equation
   133,619,590 : 279,456,483 = 279,456,483 : x
2. Step 2: Convert to fraction form
   133,619,590/279,456,483 = 279,456,483/x
3. Step 3: Cross multiply
   133,619,590x = 279,456,483 × 279,456,483
4. Step 4: Simplify right side
   133,619,590x = 78,095,925,890,729,296
5. Step 5: Solve for x
   x = 78,095,925,890,729,296/133,619,590
6. Step 6: Final answer
   x = 584,464,642.43