Finding the Third Proportional to 17,643,898.50 and 38,219,022.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,643,898.50 : 38,219,022.75 = 38,219,022.75 : x
2. Step 2: Convert to fraction form
   17,643,898.50/38,219,022.75 = 38,219,022.75/x
3. Step 3: Cross multiply
   17,643,898.50x = 38,219,022.75 × 38,219,022.75
4. Step 4: Simplify right side
   17,643,898.50x = 1,460,693,699,965,017.50
5. Step 5: Solve for x
   x = 1,460,693,699,965,017.50/17,643,898.50
6. Step 6: Final answer
   x = 82,787,468.99