Finding the Third Proportional to 19,144,466 and 40,979,970

Step by Step Solution

1. Step 1: Write the proportion equation
   19,144,466 : 40,979,970 = 40,979,970 : x
2. Step 2: Convert to fraction form
   19,144,466/40,979,970 = 40,979,970/x
3. Step 3: Cross multiply
   19,144,466x = 40,979,970 × 40,979,970
4. Step 4: Simplify right side
   19,144,466x = 1,679,357,941,200,900
5. Step 5: Solve for x
   x = 1,679,357,941,200,900/19,144,466
6. Step 6: Final answer
   x = 87,720,281.21