Finding the Third Proportional to 4,387,343 and 9,782,902

Step by Step Solution

1. Step 1: Write the proportion equation
   4,387,343 : 9,782,902 = 9,782,902 : x
2. Step 2: Convert to fraction form
   4,387,343/9,782,902 = 9,782,902/x
3. Step 3: Cross multiply
   4,387,343x = 9,782,902 × 9,782,902
4. Step 4: Simplify right side
   4,387,343x = 95,705,171,541,604
5. Step 5: Solve for x
   x = 95,705,171,541,604/4,387,343
6. Step 6: Final answer
   x = 21,813,925.09