Finding the Third Proportional to 4,814,520 and 10,387,380

Step by Step Solution

1. Step 1: Write the proportion equation
   4,814,520 : 10,387,380 = 10,387,380 : x
2. Step 2: Convert to fraction form
   4,814,520/10,387,380 = 10,387,380/x
3. Step 3: Cross multiply
   4,814,520x = 10,387,380 × 10,387,380
4. Step 4: Simplify right side
   4,814,520x = 107,897,663,264,400
5. Step 5: Solve for x
   x = 107,897,663,264,400/4,814,520
6. Step 6: Final answer
   x = 22,410,886.91