Finding the Third Proportional to 31,457,702 and 42,501,351

Step by Step Solution

1. Step 1: Write the proportion equation
   31,457,702 : 42,501,351 = 42,501,351 : x
2. Step 2: Convert to fraction form
   31,457,702/42,501,351 = 42,501,351/x
3. Step 3: Cross multiply
   31,457,702x = 42,501,351 × 42,501,351
4. Step 4: Simplify right side
   31,457,702x = 1,806,364,836,825,201
5. Step 5: Solve for x
   x = 1,806,364,836,825,201/31,457,702
6. Step 6: Final answer
   x = 57,422,021.38