Finding the Third Proportional to 19,358,581.50 and 42,131,070

Step by Step Solution

1. Step 1: Write the proportion equation
   19,358,581.50 : 42,131,070 = 42,131,070 : x
2. Step 2: Convert to fraction form
   19,358,581.50/42,131,070 = 42,131,070/x
3. Step 3: Cross multiply
   19,358,581.50x = 42,131,070 × 42,131,070
4. Step 4: Simplify right side
   19,358,581.50x = 1,775,027,059,344,900
5. Step 5: Solve for x
   x = 1,775,027,059,344,900/19,358,581.50
6. Step 6: Final answer
   x = 91,692,000.23