Finding the Third Proportional to 9,558,128 and 15,142,236

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558,128 : 15,142,236 = 15,142,236 : x
2. Step 2: Convert to fraction form
   9,558,128/15,142,236 = 15,142,236/x
3. Step 3: Cross multiply
   9,558,128x = 15,142,236 × 15,142,236
4. Step 4: Simplify right side
   9,558,128x = 229,287,311,079,696
5. Step 5: Solve for x
   x = 229,287,311,079,696/9,558,128
6. Step 6: Final answer
   x = 23,988,725.73