Finding the Third Proportional to 76,842,729 and 118,039,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,842,729 : 118,039,828.50 = 118,039,828.50 : x
2. Step 2: Convert to fraction form
   76,842,729/118,039,828.50 = 118,039,828.50/x
3. Step 3: Cross multiply
   76,842,729x = 118,039,828.50 × 118,039,828.50
4. Step 4: Simplify right side
   76,842,729x = 13,933,401,112,309,412
5. Step 5: Solve for x
   x = 13,933,401,112,309,412/76,842,729
6. Step 6: Final answer
   x = 181,323,611.14