Finding the Third Proportional to 9,845,489,881 and 21,184,230,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845,489,881 : 21,184,230,105.50 = 21,184,230,105.50 : x
2. Step 2: Convert to fraction form
   9,845,489,881/21,184,230,105.50 = 21,184,230,105.50/x
3. Step 3: Cross multiply
   9,845,489,881x = 21,184,230,105.50 × 21,184,230,105.50
4. Step 4: Simplify right side
   9,845,489,881x = 448,771,605,162,772,529,152
5. Step 5: Solve for x
   x = 448,771,605,162,772,529,152/9,845,489,881
6. Step 6: Final answer
   x = 45,581,439,886.38