Finding the Third Proportional to 91,090,654.50 and 196,696,184

Step by Step Solution

1. Step 1: Write the proportion equation
   91,090,654.50 : 196,696,184 = 196,696,184 : x
2. Step 2: Convert to fraction form
   91,090,654.50/196,696,184 = 196,696,184/x
3. Step 3: Cross multiply
   91,090,654.50x = 196,696,184 × 196,696,184
4. Step 4: Simplify right side
   91,090,654.50x = 38,689,388,800,161,856
5. Step 5: Solve for x
   x = 38,689,388,800,161,856/91,090,654.50
6. Step 6: Final answer
   x = 424,734,996.28