Finding the Third Proportional to 133,619,588 and 279,456,479

Step by Step Solution

1. Step 1: Write the proportion equation
   133,619,588 : 279,456,479 = 279,456,479 : x
2. Step 2: Convert to fraction form
   133,619,588/279,456,479 = 279,456,479/x
3. Step 3: Cross multiply
   133,619,588x = 279,456,479 × 279,456,479
4. Step 4: Simplify right side
   133,619,588x = 78,095,923,655,077,440
5. Step 5: Solve for x
   x = 78,095,923,655,077,440/133,619,588
6. Step 6: Final answer
   x = 584,464,634.44