Finding the Third Proportional to 31,282,427 and 65,425,018

Step by Step Solution

1. Step 1: Write the proportion equation
   31,282,427 : 65,425,018 = 65,425,018 : x
2. Step 2: Convert to fraction form
   31,282,427/65,425,018 = 65,425,018/x
3. Step 3: Cross multiply
   31,282,427x = 65,425,018 × 65,425,018
4. Step 4: Simplify right side
   31,282,427x = 4,280,432,980,300,324
5. Step 5: Solve for x
   x = 4,280,432,980,300,324/31,282,427
6. Step 6: Final answer
   x = 136,831,869.86