Finding the Third Proportional to 40,355,142,404.63 and 86,699,117,768.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,355,142,404.63 : 86,699,117,768.63 = 86,699,117,768.63 : x
2. Step 2: Convert to fraction form
   40,355,142,404.63/86,699,117,768.63 = 86,699,117,768.63/x
3. Step 3: Cross multiply
   40,355,142,404.63x = 86,699,117,768.63 × 86,699,117,768.63
4. Step 4: Simplify right side
   40,355,142,404.63x = 7,516,737,021,857,907,081,216
5. Step 5: Solve for x
   x = 7,516,737,021,857,907,081,216/40,355,142,404.63
6. Step 6: Final answer
   x = 186,264,663,533.85