Finding the Third Proportional to 31,490,903 and 47,072,410

Step by Step Solution

1. Step 1: Write the proportion equation
   31,490,903 : 47,072,410 = 47,072,410 : x
2. Step 2: Convert to fraction form
   31,490,903/47,072,410 = 47,072,410/x
3. Step 3: Cross multiply
   31,490,903x = 47,072,410 × 47,072,410
4. Step 4: Simplify right side
   31,490,903x = 2,215,811,783,208,100
5. Step 5: Solve for x
   x = 2,215,811,783,208,100/31,490,903
6. Step 6: Final answer
   x = 70,363,551.76