Finding the Third Proportional to 8,949,362,865 and 12,443,373,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949,362,865 : 12,443,373,727.50 = 12,443,373,727.50 : x
2. Step 2: Convert to fraction form
   8,949,362,865/12,443,373,727.50 = 12,443,373,727.50/x
3. Step 3: Cross multiply
   8,949,362,865x = 12,443,373,727.50 × 12,443,373,727.50
4. Step 4: Simplify right side
   8,949,362,865x = 154,837,549,722,237,239,296
5. Step 5: Solve for x
   x = 154,837,549,722,237,239,296/8,949,362,865
6. Step 6: Final answer
   x = 17,301,516,550.17