Finding the Third Proportional to 116,965,392 and 253,456,320

Step by Step Solution

1. Step 1: Write the proportion equation
   116,965,392 : 253,456,320 = 253,456,320 : x
2. Step 2: Convert to fraction form
   116,965,392/253,456,320 = 253,456,320/x
3. Step 3: Cross multiply
   116,965,392x = 253,456,320 × 253,456,320
4. Step 4: Simplify right side
   116,965,392x = 64,240,106,147,942,400
5. Step 5: Solve for x
   x = 64,240,106,147,942,400/116,965,392
6. Step 6: Final answer
   x = 549,223,193.71