Finding the Third Proportional to 11,281,490 and 17,439,742

Step by Step Solution

1. Step 1: Write the proportion equation
   11,281,490 : 17,439,742 = 17,439,742 : x
2. Step 2: Convert to fraction form
   11,281,490/17,439,742 = 17,439,742/x
3. Step 3: Cross multiply
   11,281,490x = 17,439,742 × 17,439,742
4. Step 4: Simplify right side
   11,281,490x = 304,144,601,026,564
5. Step 5: Solve for x
   x = 304,144,601,026,564/11,281,490
6. Step 6: Final answer
   x = 26,959,612.70