Finding the Third Proportional to 59,574,780 and 128,559,168

Step by Step Solution

1. Step 1: Write the proportion equation
   59,574,780 : 128,559,168 = 128,559,168 : x
2. Step 2: Convert to fraction form
   59,574,780/128,559,168 = 128,559,168/x
3. Step 3: Cross multiply
   59,574,780x = 128,559,168 × 128,559,168
4. Step 4: Simplify right side
   59,574,780x = 16,527,459,676,852,224
5. Step 5: Solve for x
   x = 16,527,459,676,852,224/59,574,780
6. Step 6: Final answer
   x = 277,423,763.49