Finding the Third Proportional to 10,485,617 and 14,166,724

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,617 : 14,166,724 = 14,166,724 : x
2. Step 2: Convert to fraction form
   10,485,617/14,166,724 = 14,166,724/x
3. Step 3: Cross multiply
   10,485,617x = 14,166,724 × 14,166,724
4. Step 4: Simplify right side
   10,485,617x = 200,696,068,892,176
5. Step 5: Solve for x
   x = 200,696,068,892,176/10,485,617
6. Step 6: Final answer
   x = 19,140,129.65