Finding the Third Proportional to 27,877,716 and 59,790,978

Step by Step Solution

1. Step 1: Write the proportion equation
   27,877,716 : 59,790,978 = 59,790,978 : x
2. Step 2: Convert to fraction form
   27,877,716/59,790,978 = 59,790,978/x
3. Step 3: Cross multiply
   27,877,716x = 59,790,978 × 59,790,978
4. Step 4: Simplify right side
   27,877,716x = 3,574,961,050,196,484
5. Step 5: Solve for x
   x = 3,574,961,050,196,484/27,877,716
6. Step 6: Final answer
   x = 128,237,228.98