Finding the Third Proportional to 4,597,704 and 9,991,236

Step by Step Solution

1. Step 1: Write the proportion equation
   4,597,704 : 9,991,236 = 9,991,236 : x
2. Step 2: Convert to fraction form
   4,597,704/9,991,236 = 9,991,236/x
3. Step 3: Cross multiply
   4,597,704x = 9,991,236 × 9,991,236
4. Step 4: Simplify right side
   4,597,704x = 99,824,796,807,696
5. Step 5: Solve for x
   x = 99,824,796,807,696/4,597,704
6. Step 6: Final answer
   x = 21,711,879.84