Finding the Third Proportional to 37,173,984 and 78,778,464

Step by Step Solution

1. Step 1: Write the proportion equation
   37,173,984 : 78,778,464 = 78,778,464 : x
2. Step 2: Convert to fraction form
   37,173,984/78,778,464 = 78,778,464/x
3. Step 3: Cross multiply
   37,173,984x = 78,778,464 × 78,778,464
4. Step 4: Simplify right side
   37,173,984x = 6,206,046,390,199,296
5. Step 5: Solve for x
   x = 6,206,046,390,199,296/37,173,984
6. Step 6: Final answer
   x = 166,945,958.50