Finding the Third Proportional to 10,151,379.42 and 21,139,280.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,379.42 : 21,139,280.02 = 21,139,280.02 : x
2. Step 2: Convert to fraction form
   10,151,379.42/21,139,280.02 = 21,139,280.02/x
3. Step 3: Cross multiply
   10,151,379.42x = 21,139,280.02 × 21,139,280.02
4. Step 4: Simplify right side
   10,151,379.42x = 446,869,159,579,002.50
5. Step 5: Solve for x
   x = 446,869,159,579,002.50/10,151,379.42
6. Step 6: Final answer
   x = 44,020,535.63