Finding the Third Proportional to 51,317,681.63 and 111,669,860.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,317,681.63 : 111,669,860.25 = 111,669,860.25 : x
2. Step 2: Convert to fraction form
   51,317,681.63/111,669,860.25 = 111,669,860.25/x
3. Step 3: Cross multiply
   51,317,681.63x = 111,669,860.25 × 111,669,860.25
4. Step 4: Simplify right side
   51,317,681.63x = 12,470,157,688,254,530
5. Step 5: Solve for x
   x = 12,470,157,688,254,530/51,317,681.63
6. Step 6: Final answer
   x = 242,999,241.07