Finding the Third Proportional to 19,371,097.50 and 42,520,860

Step by Step Solution

1. Step 1: Write the proportion equation
   19,371,097.50 : 42,520,860 = 42,520,860 : x
2. Step 2: Convert to fraction form
   19,371,097.50/42,520,860 = 42,520,860/x
3. Step 3: Cross multiply
   19,371,097.50x = 42,520,860 × 42,520,860
4. Step 4: Simplify right side
   19,371,097.50x = 1,808,023,535,139,600
5. Step 5: Solve for x
   x = 1,808,023,535,139,600/19,371,097.50
6. Step 6: Final answer
   x = 93,336,143.45