Finding the Third Proportional to 30,665,142 and 65,585,106

Step by Step Solution

1. Step 1: Write the proportion equation
   30,665,142 : 65,585,106 = 65,585,106 : x
2. Step 2: Convert to fraction form
   30,665,142/65,585,106 = 65,585,106/x
3. Step 3: Cross multiply
   30,665,142x = 65,585,106 × 65,585,106
4. Step 4: Simplify right side
   30,665,142x = 4,301,406,129,031,236
5. Step 5: Solve for x
   x = 4,301,406,129,031,236/30,665,142
6. Step 6: Final answer
   x = 140,270,217.21