Finding the Third Proportional to 71,776,599.75 and 111,355,598.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,776,599.75 : 111,355,598.25 = 111,355,598.25 : x
2. Step 2: Convert to fraction form
   71,776,599.75/111,355,598.25 = 111,355,598.25/x
3. Step 3: Cross multiply
   71,776,599.75x = 111,355,598.25 × 111,355,598.25
4. Step 4: Simplify right side
   71,776,599.75x = 12,400,069,261,615,404
5. Step 5: Solve for x
   x = 12,400,069,261,615,404/71,776,599.75
6. Step 6: Final answer
   x = 172,759,218.25