Finding the Third Proportional to 6,621,148 and 10,256,492

Step by Step Solution

1. Step 1: Write the proportion equation
   6,621,148 : 10,256,492 = 10,256,492 : x
2. Step 2: Convert to fraction form
   6,621,148/10,256,492 = 10,256,492/x
3. Step 3: Cross multiply
   6,621,148x = 10,256,492 × 10,256,492
4. Step 4: Simplify right side
   6,621,148x = 105,195,628,146,064
5. Step 5: Solve for x
   x = 105,195,628,146,064/6,621,148
6. Step 6: Final answer
   x = 15,887,823.10