Finding the Third Proportional to 3,172,876 and 4,766,347

Step by Step Solution

1. Step 1: Write the proportion equation
   3,172,876 : 4,766,347 = 4,766,347 : x
2. Step 2: Convert to fraction form
   3,172,876/4,766,347 = 4,766,347/x
3. Step 3: Cross multiply
   3,172,876x = 4,766,347 × 4,766,347
4. Step 4: Simplify right side
   3,172,876x = 22,718,063,724,409
5. Step 5: Solve for x
   x = 22,718,063,724,409/3,172,876
6. Step 6: Final answer
   x = 7,160,085.59