Finding the Third Proportional to 64,911,369 and 100,831,256

Step by Step Solution

1. Step 1: Write the proportion equation
   64,911,369 : 100,831,256 = 100,831,256 : x
2. Step 2: Convert to fraction form
   64,911,369/100,831,256 = 100,831,256/x
3. Step 3: Cross multiply
   64,911,369x = 100,831,256 × 100,831,256
4. Step 4: Simplify right side
   64,911,369x = 10,166,942,186,537,536
5. Step 5: Solve for x
   x = 10,166,942,186,537,536/64,911,369
6. Step 6: Final answer
   x = 156,628,065.98