Finding the Third Proportional to 2,131,248 and 4,566,490

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,248 : 4,566,490 = 4,566,490 : x
2. Step 2: Convert to fraction form
   2,131,248/4,566,490 = 4,566,490/x
3. Step 3: Cross multiply
   2,131,248x = 4,566,490 × 4,566,490
4. Step 4: Simplify right side
   2,131,248x = 20,852,830,920,100
5. Step 5: Solve for x
   x = 20,852,830,920,100/2,131,248
6. Step 6: Final answer
   x = 9,784,328.68