Finding the Third Proportional to 3,778,866 and 8,154,486

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,866 : 8,154,486 = 8,154,486 : x
2. Step 2: Convert to fraction form
   3,778,866/8,154,486 = 8,154,486/x
3. Step 3: Cross multiply
   3,778,866x = 8,154,486 × 8,154,486
4. Step 4: Simplify right side
   3,778,866x = 66,495,641,924,196
5. Step 5: Solve for x
   x = 66,495,641,924,196/3,778,866
6. Step 6: Final answer
   x = 17,596,718.68