Finding the Third Proportional to 38,779,440 and 60,128,856

Step by Step Solution

1. Step 1: Write the proportion equation
   38,779,440 : 60,128,856 = 60,128,856 : x
2. Step 2: Convert to fraction form
   38,779,440/60,128,856 = 60,128,856/x
3. Step 3: Cross multiply
   38,779,440x = 60,128,856 × 60,128,856
4. Step 4: Simplify right side
   38,779,440x = 3,615,479,323,868,736
5. Step 5: Solve for x
   x = 3,615,479,323,868,736/38,779,440
6. Step 6: Final answer
   x = 93,231,860.08