Finding the Third Proportional to 79,428,338 and 171,404,584

Step by Step Solution

1. Step 1: Write the proportion equation
   79,428,338 : 171,404,584 = 171,404,584 : x
2. Step 2: Convert to fraction form
   79,428,338/171,404,584 = 171,404,584/x
3. Step 3: Cross multiply
   79,428,338x = 171,404,584 × 171,404,584
4. Step 4: Simplify right side
   79,428,338x = 29,379,531,416,213,056
5. Step 5: Solve for x
   x = 29,379,531,416,213,056/79,428,338
6. Step 6: Final answer
   x = 369,887,273.94