Finding the Third Proportional to 2,157,838.50 and 4,722,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,838.50 : 4,722,043.50 = 4,722,043.50 : x
2. Step 2: Convert to fraction form
   2,157,838.50/4,722,043.50 = 4,722,043.50/x
3. Step 3: Cross multiply
   2,157,838.50x = 4,722,043.50 × 4,722,043.50
4. Step 4: Simplify right side
   2,157,838.50x = 22,297,694,815,892.25
5. Step 5: Solve for x
   x = 22,297,694,815,892.25/2,157,838.50
6. Step 6: Final answer
   x = 10,333,347.38