Finding the Third Proportional to 19,144,470 and 40,979,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,144,470 : 40,979,978 = 40,979,978 : x
2. Step 2: Convert to fraction form
   19,144,470/40,979,978 = 40,979,978/x
3. Step 3: Cross multiply
   19,144,470x = 40,979,978 × 40,979,978
4. Step 4: Simplify right side
   19,144,470x = 1,679,358,596,880,484
5. Step 5: Solve for x
   x = 1,679,358,596,880,484/19,144,470
6. Step 6: Final answer
   x = 87,720,297.13