Finding the Third Proportional to 8,490,258 and 13,065,732

Step by Step Solution

1. Step 1: Write the proportion equation
   8,490,258 : 13,065,732 = 13,065,732 : x
2. Step 2: Convert to fraction form
   8,490,258/13,065,732 = 13,065,732/x
3. Step 3: Cross multiply
   8,490,258x = 13,065,732 × 13,065,732
4. Step 4: Simplify right side
   8,490,258x = 170,713,352,695,824
5. Step 5: Solve for x
   x = 170,713,352,695,824/8,490,258
6. Step 6: Final answer
   x = 20,106,968.80