Finding the Third Proportional to 29,910,554 and 64,925,870

Step by Step Solution

1. Step 1: Write the proportion equation
   29,910,554 : 64,925,870 = 64,925,870 : x
2. Step 2: Convert to fraction form
   29,910,554/64,925,870 = 64,925,870/x
3. Step 3: Cross multiply
   29,910,554x = 64,925,870 × 64,925,870
4. Step 4: Simplify right side
   29,910,554x = 4,215,368,595,256,900
5. Step 5: Solve for x
   x = 4,215,368,595,256,900/29,910,554
6. Step 6: Final answer
   x = 140,932,481.40