Finding the Third Proportional to 39,320,210 and 58,980,320

Step by Step Solution

1. Step 1: Write the proportion equation
   39,320,210 : 58,980,320 = 58,980,320 : x
2. Step 2: Convert to fraction form
   39,320,210/58,980,320 = 58,980,320/x
3. Step 3: Cross multiply
   39,320,210x = 58,980,320 × 58,980,320
4. Step 4: Simplify right side
   39,320,210x = 3,478,678,147,302,400
5. Step 5: Solve for x
   x = 3,478,678,147,302,400/39,320,210
6. Step 6: Final answer
   x = 88,470,487.50