Finding the Third Proportional to 42,364,629 and 91,447,722

Step by Step Solution

1. Step 1: Write the proportion equation
   42,364,629 : 91,447,722 = 91,447,722 : x
2. Step 2: Convert to fraction form
   42,364,629/91,447,722 = 91,447,722/x
3. Step 3: Cross multiply
   42,364,629x = 91,447,722 × 91,447,722
4. Step 4: Simplify right side
   42,364,629x = 8,362,685,858,989,284
5. Step 5: Solve for x
   x = 8,362,685,858,989,284/42,364,629
6. Step 6: Final answer
   x = 197,397,830.61