Finding the Third Proportional to 45,543,319 and 99,173,066

Step by Step Solution

1. Step 1: Write the proportion equation
   45,543,319 : 99,173,066 = 99,173,066 : x
2. Step 2: Convert to fraction form
   45,543,319/99,173,066 = 99,173,066/x
3. Step 3: Cross multiply
   45,543,319x = 99,173,066 × 99,173,066
4. Step 4: Simplify right side
   45,543,319x = 9,835,297,019,840,356
5. Step 5: Solve for x
   x = 9,835,297,019,840,356/45,543,319
6. Step 6: Final answer
   x = 215,954,770.88