Finding the Third Proportional to 89,849,980 and 131,405,368

Step by Step Solution

1. Step 1: Write the proportion equation
   89,849,980 : 131,405,368 = 131,405,368 : x
2. Step 2: Convert to fraction form
   89,849,980/131,405,368 = 131,405,368/x
3. Step 3: Cross multiply
   89,849,980x = 131,405,368 × 131,405,368
4. Step 4: Simplify right side
   89,849,980x = 17,267,370,739,215,424
5. Step 5: Solve for x
   x = 17,267,370,739,215,424/89,849,980
6. Step 6: Final answer
   x = 192,180,017.62