Finding the Third Proportional to 4,630,085 and 9,971,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,630,085 : 9,971,308 = 9,971,308 : x
2. Step 2: Convert to fraction form
   4,630,085/9,971,308 = 9,971,308/x
3. Step 3: Cross multiply
   4,630,085x = 9,971,308 × 9,971,308
4. Step 4: Simplify right side
   4,630,085x = 99,426,983,230,864
5. Step 5: Solve for x
   x = 99,426,983,230,864/4,630,085
6. Step 6: Final answer
   x = 21,474,116.18