Finding the Third Proportional to 31,409,005.50 and 47,146,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,409,005.50 : 47,146,738.50 = 47,146,738.50 : x
2. Step 2: Convert to fraction form
   31,409,005.50/47,146,738.50 = 47,146,738.50/x
3. Step 3: Cross multiply
   31,409,005.50x = 47,146,738.50 × 47,146,738.50
4. Step 4: Simplify right side
   31,409,005.50x = 2,222,814,951,187,382.25
5. Step 5: Solve for x
   x = 2,222,814,951,187,382.25/31,409,005.50
6. Step 6: Final answer
   x = 70,769,988.28