Finding the Third Proportional to 64,745,538 and 135,477,300

Step by Step Solution

1. Step 1: Write the proportion equation
   64,745,538 : 135,477,300 = 135,477,300 : x
2. Step 2: Convert to fraction form
   64,745,538/135,477,300 = 135,477,300/x
3. Step 3: Cross multiply
   64,745,538x = 135,477,300 × 135,477,300
4. Step 4: Simplify right side
   64,745,538x = 18,354,098,815,290,000
5. Step 5: Solve for x
   x = 18,354,098,815,290,000/64,745,538
6. Step 6: Final answer
   x = 283,480,520.55