Finding the Third Proportional to 85,182,658 and 185,290,196

Step by Step Solution

1. Step 1: Write the proportion equation
   85,182,658 : 185,290,196 = 185,290,196 : x
2. Step 2: Convert to fraction form
   85,182,658/185,290,196 = 185,290,196/x
3. Step 3: Cross multiply
   85,182,658x = 185,290,196 × 185,290,196
4. Step 4: Simplify right side
   85,182,658x = 34,332,456,733,718,416
5. Step 5: Solve for x
   x = 34,332,456,733,718,416/85,182,658
6. Step 6: Final answer
   x = 403,045,144.87