Finding the Third Proportional to 31,419,564 and 49,038,858.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,419,564 : 49,038,858.75 = 49,038,858.75 : x
2. Step 2: Convert to fraction form
   31,419,564/49,038,858.75 = 49,038,858.75/x
3. Step 3: Cross multiply
   31,419,564x = 49,038,858.75 × 49,038,858.75
4. Step 4: Simplify right side
   31,419,564x = 2,404,809,667,502,451.50
5. Step 5: Solve for x
   x = 2,404,809,667,502,451.50/31,419,564
6. Step 6: Final answer
   x = 76,538,607.20