Finding the Third Proportional to 59,619,960 and 84,379,428

Step by Step Solution

1. Step 1: Write the proportion equation
   59,619,960 : 84,379,428 = 84,379,428 : x
2. Step 2: Convert to fraction form
   59,619,960/84,379,428 = 84,379,428/x
3. Step 3: Cross multiply
   59,619,960x = 84,379,428 × 84,379,428
4. Step 4: Simplify right side
   59,619,960x = 7,119,887,869,607,184
5. Step 5: Solve for x
   x = 7,119,887,869,607,184/59,619,960
6. Step 6: Final answer
   x = 119,421,211.78