Finding the Third Proportional to 40,907,540 and 88,190,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,907,540 : 88,190,549.50 = 88,190,549.50 : x
2. Step 2: Convert to fraction form
   40,907,540/88,190,549.50 = 88,190,549.50/x
3. Step 3: Cross multiply
   40,907,540x = 88,190,549.50 × 88,190,549.50
4. Step 4: Simplify right side
   40,907,540x = 7,777,573,021,111,950
5. Step 5: Solve for x
   x = 7,777,573,021,111,950/40,907,540
6. Step 6: Final answer
   x = 190,125,659.50