Finding the Third Proportional to 39,248,980 and 58,489,854

Step by Step Solution

1. Step 1: Write the proportion equation
   39,248,980 : 58,489,854 = 58,489,854 : x
2. Step 2: Convert to fraction form
   39,248,980/58,489,854 = 58,489,854/x
3. Step 3: Cross multiply
   39,248,980x = 58,489,854 × 58,489,854
4. Step 4: Simplify right side
   39,248,980x = 3,421,063,020,941,316
5. Step 5: Solve for x
   x = 3,421,063,020,941,316/39,248,980
6. Step 6: Final answer
   x = 87,163,106.43