Finding the Third Proportional to 31,282,308 and 65,424,780

Step by Step Solution

1. Step 1: Write the proportion equation
   31,282,308 : 65,424,780 = 65,424,780 : x
2. Step 2: Convert to fraction form
   31,282,308/65,424,780 = 65,424,780/x
3. Step 3: Cross multiply
   31,282,308x = 65,424,780 × 65,424,780
4. Step 4: Simplify right side
   31,282,308x = 4,280,401,838,048,400
5. Step 5: Solve for x
   x = 4,280,401,838,048,400/31,282,308
6. Step 6: Final answer
   x = 136,831,394.86