Finding the Third Proportional to 2,153,518 and 4,731,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,518 : 4,731,580 = 4,731,580 : x
2. Step 2: Convert to fraction form
   2,153,518/4,731,580 = 4,731,580/x
3. Step 3: Cross multiply
   2,153,518x = 4,731,580 × 4,731,580
4. Step 4: Simplify right side
   2,153,518x = 22,387,849,296,400
5. Step 5: Solve for x
   x = 22,387,849,296,400/2,153,518
6. Step 6: Final answer
   x = 10,395,942.50