Finding the Third Proportional to 3,783,312 and 8,301,792

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783,312 : 8,301,792 = 8,301,792 : x
2. Step 2: Convert to fraction form
   3,783,312/8,301,792 = 8,301,792/x
3. Step 3: Cross multiply
   3,783,312x = 8,301,792 × 8,301,792
4. Step 4: Simplify right side
   3,783,312x = 68,919,750,411,264
5. Step 5: Solve for x
   x = 68,919,750,411,264/3,783,312
6. Step 6: Final answer
   x = 18,216,776.84