Finding the Third Proportional to 4,646,916 and 10,120,590

Step by Step Solution

1. Step 1: Write the proportion equation
   4,646,916 : 10,120,590 = 10,120,590 : x
2. Step 2: Convert to fraction form
   4,646,916/10,120,590 = 10,120,590/x
3. Step 3: Cross multiply
   4,646,916x = 10,120,590 × 10,120,590
4. Step 4: Simplify right side
   4,646,916x = 102,426,341,948,100
5. Step 5: Solve for x
   x = 102,426,341,948,100/4,646,916
6. Step 6: Final answer
   x = 22,041,788.99