Finding the Third Proportional to 59,854,298 and 128,659,468

Step by Step Solution

1. Step 1: Write the proportion equation
   59,854,298 : 128,659,468 = 128,659,468 : x
2. Step 2: Convert to fraction form
   59,854,298/128,659,468 = 128,659,468/x
3. Step 3: Cross multiply
   59,854,298x = 128,659,468 × 128,659,468
4. Step 4: Simplify right side
   59,854,298x = 16,553,258,706,043,024
5. Step 5: Solve for x
   x = 16,553,258,706,043,024/59,854,298
6. Step 6: Final answer
   x = 276,559,232.32