Finding the Third Proportional to 21,148,282,429.50 and 31,994,864,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,148,282,429.50 : 31,994,864,656.50 = 31,994,864,656.50 : x
2. Step 2: Convert to fraction form
   21,148,282,429.50/31,994,864,656.50 = 31,994,864,656.50/x
3. Step 3: Cross multiply
   21,148,282,429.50x = 31,994,864,656.50 × 31,994,864,656.50
4. Step 4: Simplify right side
   21,148,282,429.50x = 1,023,671,364,387,752,902,656
5. Step 5: Solve for x
   x = 1,023,671,364,387,752,902,656/21,148,282,429.50
6. Step 6: Final answer
   x = 48,404,468,202.10