Finding the Third Proportional to 8,949,362,852.81 and 12,443,373,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949,362,852.81 : 12,443,373,709.31 = 12,443,373,709.31 : x
2. Step 2: Convert to fraction form
   8,949,362,852.81/12,443,373,709.31 = 12,443,373,709.31/x
3. Step 3: Cross multiply
   8,949,362,852.81x = 12,443,373,709.31 × 12,443,373,709.31
4. Step 4: Simplify right side
   8,949,362,852.81x = 154,837,549,269,597,093,888
5. Step 5: Solve for x
   x = 154,837,549,269,597,093,888/8,949,362,852.81
6. Step 6: Final answer
   x = 17,301,516,523.15