Finding the Third Proportional to 14,012,396 and 21,118,820

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012,396 : 21,118,820 = 21,118,820 : x
2. Step 2: Convert to fraction form
   14,012,396/21,118,820 = 21,118,820/x
3. Step 3: Cross multiply
   14,012,396x = 21,118,820 × 21,118,820
4. Step 4: Simplify right side
   14,012,396x = 446,004,558,192,400
5. Step 5: Solve for x
   x = 446,004,558,192,400/14,012,396
6. Step 6: Final answer
   x = 31,829,285.88