Finding the Third Proportional to 72,175,293 and 170,320,774

Step by Step Solution

1. Step 1: Write the proportion equation
   72,175,293 : 170,320,774 = 170,320,774 : x
2. Step 2: Convert to fraction form
   72,175,293/170,320,774 = 170,320,774/x
3. Step 3: Cross multiply
   72,175,293x = 170,320,774 × 170,320,774
4. Step 4: Simplify right side
   72,175,293x = 29,009,166,055,959,076
5. Step 5: Solve for x
   x = 29,009,166,055,959,076/72,175,293
6. Step 6: Final answer
   x = 401,926,543.70