Finding the Third Proportional to 79,442,236.50 and 171,057,786

Step by Step Solution

1. Step 1: Write the proportion equation
   79,442,236.50 : 171,057,786 = 171,057,786 : x
2. Step 2: Convert to fraction form
   79,442,236.50/171,057,786 = 171,057,786/x
3. Step 3: Cross multiply
   79,442,236.50x = 171,057,786 × 171,057,786
4. Step 4: Simplify right side
   79,442,236.50x = 29,260,766,151,221,796
5. Step 5: Solve for x
   x = 29,260,766,151,221,796/79,442,236.50
6. Step 6: Final answer
   x = 368,327,572.84