Finding the Third Proportional to 10,485,620 and 14,166,726

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,620 : 14,166,726 = 14,166,726 : x
2. Step 2: Convert to fraction form
   10,485,620/14,166,726 = 14,166,726/x
3. Step 3: Cross multiply
   10,485,620x = 14,166,726 × 14,166,726
4. Step 4: Simplify right side
   10,485,620x = 200,696,125,559,076
5. Step 5: Solve for x
   x = 200,696,125,559,076/10,485,620
6. Step 6: Final answer
   x = 19,140,129.58