Finding the Third Proportional to 8,977,776 and 13,929,818

Step by Step Solution

1. Step 1: Write the proportion equation
   8,977,776 : 13,929,818 = 13,929,818 : x
2. Step 2: Convert to fraction form
   8,977,776/13,929,818 = 13,929,818/x
3. Step 3: Cross multiply
   8,977,776x = 13,929,818 × 13,929,818
4. Step 4: Simplify right side
   8,977,776x = 194,039,829,513,124
5. Step 5: Solve for x
   x = 194,039,829,513,124/8,977,776
6. Step 6: Final answer
   x = 21,613,351.63