Finding the Third Proportional to 38,804,818 and 64,670,799

Step by Step Solution

1. Step 1: Write the proportion equation
   38,804,818 : 64,670,799 = 64,670,799 : x
2. Step 2: Convert to fraction form
   38,804,818/64,670,799 = 64,670,799/x
3. Step 3: Cross multiply
   38,804,818x = 64,670,799 × 64,670,799
4. Step 4: Simplify right side
   38,804,818x = 4,182,312,243,298,401
5. Step 5: Solve for x
   x = 4,182,312,243,298,401/38,804,818
6. Step 6: Final answer
   x = 107,778,169.28