Finding the Third Proportional to 53,391,944,696 and 72,710,715,303

Step by Step Solution

1. Step 1: Write the proportion equation
   53,391,944,696 : 72,710,715,303 = 72,710,715,303 : x
2. Step 2: Convert to fraction form
   53,391,944,696/72,710,715,303 = 72,710,715,303/x
3. Step 3: Cross multiply
   53,391,944,696x = 72,710,715,303 × 72,710,715,303
4. Step 4: Simplify right side
   53,391,944,696x = 5,286,848,119,873,918,205,952
5. Step 5: Solve for x
   x = 5,286,848,119,873,918,205,952/53,391,944,696
6. Step 6: Final answer
   x = 99,019,583,384.27