Finding the Third Proportional to 31,282,317 and 65,424,798

Step by Step Solution

1. Step 1: Write the proportion equation
   31,282,317 : 65,424,798 = 65,424,798 : x
2. Step 2: Convert to fraction form
   31,282,317/65,424,798 = 65,424,798/x
3. Step 3: Cross multiply
   31,282,317x = 65,424,798 × 65,424,798
4. Step 4: Simplify right side
   31,282,317x = 4,280,404,193,340,804
5. Step 5: Solve for x
   x = 4,280,404,193,340,804/31,282,317
6. Step 6: Final answer
   x = 136,831,430.78