Finding the Third Proportional to 17,689,240 and 37,161,776

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689,240 : 37,161,776 = 37,161,776 : x
2. Step 2: Convert to fraction form
   17,689,240/37,161,776 = 37,161,776/x
3. Step 3: Cross multiply
   17,689,240x = 37,161,776 × 37,161,776
4. Step 4: Simplify right side
   17,689,240x = 1,380,997,595,474,176
5. Step 5: Solve for x
   x = 1,380,997,595,474,176/17,689,240
6. Step 6: Final answer
   x = 78,069,922.48