Finding the Third Proportional to 4,510,860 and 9,725,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,510,860 : 9,725,940 = 9,725,940 : x
2. Step 2: Convert to fraction form
   4,510,860/9,725,940 = 9,725,940/x
3. Step 3: Cross multiply
   4,510,860x = 9,725,940 × 9,725,940
4. Step 4: Simplify right side
   4,510,860x = 94,593,908,883,600
5. Step 5: Solve for x
   x = 94,593,908,883,600/4,510,860
6. Step 6: Final answer
   x = 20,970,260.41