Finding the Third Proportional to 29,910,553.50 and 64,925,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,910,553.50 : 64,925,872.50 = 64,925,872.50 : x
2. Step 2: Convert to fraction form
   29,910,553.50/64,925,872.50 = 64,925,872.50/x
3. Step 3: Cross multiply
   29,910,553.50x = 64,925,872.50 × 64,925,872.50
4. Step 4: Simplify right side
   29,910,553.50x = 4,215,368,919,886,256
5. Step 5: Solve for x
   x = 4,215,368,919,886,256/29,910,553.50
6. Step 6: Final answer
   x = 140,932,494.61