Finding the Third Proportional to 42,017,630 and 91,397,188

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,630 : 91,397,188 = 91,397,188 : x
2. Step 2: Convert to fraction form
   42,017,630/91,397,188 = 91,397,188/x
3. Step 3: Cross multiply
   42,017,630x = 91,397,188 × 91,397,188
4. Step 4: Simplify right side
   42,017,630x = 8,353,445,974,307,344
5. Step 5: Solve for x
   x = 8,353,445,974,307,344/42,017,630
6. Step 6: Final answer
   x = 198,808,118.74