Finding the Third Proportional to 3,670,046 and 8,634,890

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,046 : 8,634,890 = 8,634,890 : x
2. Step 2: Convert to fraction form
   3,670,046/8,634,890 = 8,634,890/x
3. Step 3: Cross multiply
   3,670,046x = 8,634,890 × 8,634,890
4. Step 4: Simplify right side
   3,670,046x = 74,561,325,312,100
5. Step 5: Solve for x
   x = 74,561,325,312,100/3,670,046
6. Step 6: Final answer
   x = 20,316,182.77