Finding the Third Proportional to 59,574,772 and 128,559,152

Step by Step Solution

1. Step 1: Write the proportion equation
   59,574,772 : 128,559,152 = 128,559,152 : x
2. Step 2: Convert to fraction form
   59,574,772/128,559,152 = 128,559,152/x
3. Step 3: Cross multiply
   59,574,772x = 128,559,152 × 128,559,152
4. Step 4: Simplify right side
   59,574,772x = 16,527,455,562,959,104
5. Step 5: Solve for x
   x = 16,527,455,562,959,104/59,574,772
6. Step 6: Final answer
   x = 277,423,731.69