Finding the Third Proportional to 3,739,911 and 8,070,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,911 : 8,070,312 = 8,070,312 : x
2. Step 2: Convert to fraction form
   3,739,911/8,070,312 = 8,070,312/x
3. Step 3: Cross multiply
   3,739,911x = 8,070,312 × 8,070,312
4. Step 4: Simplify right side
   3,739,911x = 65,129,935,777,344
5. Step 5: Solve for x
   x = 65,129,935,777,344/3,739,911
6. Step 6: Final answer
   x = 17,414,835.75