Finding the Third Proportional to 89,537,990 and 194,840,066

Step by Step Solution

1. Step 1: Write the proportion equation
   89,537,990 : 194,840,066 = 194,840,066 : x
2. Step 2: Convert to fraction form
   89,537,990/194,840,066 = 194,840,066/x
3. Step 3: Cross multiply
   89,537,990x = 194,840,066 × 194,840,066
4. Step 4: Simplify right side
   89,537,990x = 37,962,651,318,884,352
5. Step 5: Solve for x
   x = 37,962,651,318,884,352/89,537,990
6. Step 6: Final answer
   x = 423,983,733.82