Finding the Third Proportional to 2,190,624 and 4,705,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,624 : 4,705,080 = 4,705,080 : x
2. Step 2: Convert to fraction form
   2,190,624/4,705,080 = 4,705,080/x
3. Step 3: Cross multiply
   2,190,624x = 4,705,080 × 4,705,080
4. Step 4: Simplify right side
   2,190,624x = 22,137,777,806,400
5. Step 5: Solve for x
   x = 22,137,777,806,400/2,190,624
6. Step 6: Final answer
   x = 10,105,694.91