Finding the Third Proportional to 4,386,462 and 9,781,490

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,462 : 9,781,490 = 9,781,490 : x
2. Step 2: Convert to fraction form
   4,386,462/9,781,490 = 9,781,490/x
3. Step 3: Cross multiply
   4,386,462x = 9,781,490 × 9,781,490
4. Step 4: Simplify right side
   4,386,462x = 95,677,546,620,100
5. Step 5: Solve for x
   x = 95,677,546,620,100/4,386,462
6. Step 6: Final answer
   x = 21,812,008.54