Finding the Third Proportional to 64,138,502 and 140,037,870

Step by Step Solution

1. Step 1: Write the proportion equation
   64,138,502 : 140,037,870 = 140,037,870 : x
2. Step 2: Convert to fraction form
   64,138,502/140,037,870 = 140,037,870/x
3. Step 3: Cross multiply
   64,138,502x = 140,037,870 × 140,037,870
4. Step 4: Simplify right side
   64,138,502x = 19,610,605,034,136,900
5. Step 5: Solve for x
   x = 19,610,605,034,136,900/64,138,502
6. Step 6: Final answer
   x = 305,754,023.29