Finding the Third Proportional to 355,159,958,156 and 729,147,980,340

Step by Step Solution

1. Step 1: Write the proportion equation
   355,159,958,156 : 729,147,980,340 = 729,147,980,340 : x
2. Step 2: Convert to fraction form
   355,159,958,156/729,147,980,340 = 729,147,980,340/x
3. Step 3: Cross multiply
   355,159,958,156x = 729,147,980,340 × 729,147,980,340
4. Step 4: Simplify right side
   355,159,958,156x = 531,656,777,233,901,023,133,696
5. Step 5: Solve for x
   x = 531,656,777,233,901,023,133,696/355,159,958,156
6. Step 6: Final answer
   x = 1,496,950,219,259.73