Finding the Third Proportional to 42,017,623 and 91,397,174

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,623 : 91,397,174 = 91,397,174 : x
2. Step 2: Convert to fraction form
   42,017,623/91,397,174 = 91,397,174/x
3. Step 3: Cross multiply
   42,017,623x = 91,397,174 × 91,397,174
4. Step 4: Simplify right side
   42,017,623x = 8,353,443,415,186,276
5. Step 5: Solve for x
   x = 8,353,443,415,186,276/42,017,623
6. Step 6: Final answer
   x = 198,808,090.96