Finding the Third Proportional to 133,619,586 and 279,456,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,619,586 : 279,456,472.50 = 279,456,472.50 : x
2. Step 2: Convert to fraction form
   133,619,586/279,456,472.50 = 279,456,472.50/x
3. Step 3: Cross multiply
   133,619,586x = 279,456,472.50 × 279,456,472.50
4. Step 4: Simplify right side
   133,619,586x = 78,095,920,022,143,264
5. Step 5: Solve for x
   x = 78,095,920,022,143,264/133,619,586
6. Step 6: Final answer
   x = 584,464,616.00