Finding the Third Proportional to 59,574,776 and 128,559,160

Step by Step Solution

1. Step 1: Write the proportion equation
   59,574,776 : 128,559,160 = 128,559,160 : x
2. Step 2: Convert to fraction form
   59,574,776/128,559,160 = 128,559,160/x
3. Step 3: Cross multiply
   59,574,776x = 128,559,160 × 128,559,160
4. Step 4: Simplify right side
   59,574,776x = 16,527,457,619,905,600
5. Step 5: Solve for x
   x = 16,527,457,619,905,600/59,574,776
6. Step 6: Final answer
   x = 277,423,747.59