Finding the Third Proportional to 89,846,468 and 138,015,166

Step by Step Solution

1. Step 1: Write the proportion equation
   89,846,468 : 138,015,166 = 138,015,166 : x
2. Step 2: Convert to fraction form
   89,846,468/138,015,166 = 138,015,166/x
3. Step 3: Cross multiply
   89,846,468x = 138,015,166 × 138,015,166
4. Step 4: Simplify right side
   89,846,468x = 19,048,186,046,007,556
5. Step 5: Solve for x
   x = 19,048,186,046,007,556/89,846,468
6. Step 6: Final answer
   x = 212,008,178.73