Finding the Third Proportional to 11,129,340 and 23,454,168

Step by Step Solution

1. Step 1: Write the proportion equation
   11,129,340 : 23,454,168 = 23,454,168 : x
2. Step 2: Convert to fraction form
   11,129,340/23,454,168 = 23,454,168/x
3. Step 3: Cross multiply
   11,129,340x = 23,454,168 × 23,454,168
4. Step 4: Simplify right side
   11,129,340x = 550,097,996,572,224
5. Step 5: Solve for x
   x = 550,097,996,572,224/11,129,340
6. Step 6: Final answer
   x = 49,427,728.56