Finding the Third Proportional to 10,180,423 and 21,818,144

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180,423 : 21,818,144 = 21,818,144 : x
2. Step 2: Convert to fraction form
   10,180,423/21,818,144 = 21,818,144/x
3. Step 3: Cross multiply
   10,180,423x = 21,818,144 × 21,818,144
4. Step 4: Simplify right side
   10,180,423x = 476,031,407,604,736
5. Step 5: Solve for x
   x = 476,031,407,604,736/10,180,423
6. Step 6: Final answer
   x = 46,759,491.98