Finding the Third Proportional to 52,431,003 and 81,406,986

Step by Step Solution

1. Step 1: Write the proportion equation
   52,431,003 : 81,406,986 = 81,406,986 : x
2. Step 2: Convert to fraction form
   52,431,003/81,406,986 = 81,406,986/x
3. Step 3: Cross multiply
   52,431,003x = 81,406,986 × 81,406,986
4. Step 4: Simplify right side
   52,431,003x = 6,627,097,369,604,196
5. Step 5: Solve for x
   x = 6,627,097,369,604,196/52,431,003
6. Step 6: Final answer
   x = 126,396,540.03