Finding the Third Proportional to 10,180,430 and 21,818,156

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180,430 : 21,818,156 = 21,818,156 : x
2. Step 2: Convert to fraction form
   10,180,430/21,818,156 = 21,818,156/x
3. Step 3: Cross multiply
   10,180,430x = 21,818,156 × 21,818,156
4. Step 4: Simplify right side
   10,180,430x = 476,031,931,240,336
5. Step 5: Solve for x
   x = 476,031,931,240,336/10,180,430
6. Step 6: Final answer
   x = 46,759,511.26