Finding the Third Proportional to 4,991,598 and 10,219,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,598 : 10,219,756.50 = 10,219,756.50 : x
2. Step 2: Convert to fraction form
   4,991,598/10,219,756.50 = 10,219,756.50/x
3. Step 3: Cross multiply
   4,991,598x = 10,219,756.50 × 10,219,756.50
4. Step 4: Simplify right side
   4,991,598x = 104,443,422,919,292.25
5. Step 5: Solve for x
   x = 104,443,422,919,292.25/4,991,598
6. Step 6: Final answer
   x = 20,923,845.01