Finding the Third Proportional to 8,222,654,172.38 and 12,184,656,985.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222,654,172.38 : 12,184,656,985.69 = 12,184,656,985.69 : x
2. Step 2: Convert to fraction form
   8,222,654,172.38/12,184,656,985.69 = 12,184,656,985.69/x
3. Step 3: Cross multiply
   8,222,654,172.38x = 12,184,656,985.69 × 12,184,656,985.69
4. Step 4: Simplify right side
   8,222,654,172.38x = 148,465,865,858,875,359,232
5. Step 5: Solve for x
   x = 148,465,865,858,875,359,232/8,222,654,172.38
6. Step 6: Final answer
   x = 18,055,710,813.87