Finding the Third Proportional to 77,062,243.50 and 105,673,131

Step by Step Solution

1. Step 1: Write the proportion equation
   77,062,243.50 : 105,673,131 = 105,673,131 : x
2. Step 2: Convert to fraction form
   77,062,243.50/105,673,131 = 105,673,131/x
3. Step 3: Cross multiply
   77,062,243.50x = 105,673,131 × 105,673,131
4. Step 4: Simplify right side
   77,062,243.50x = 11,166,810,615,343,160
5. Step 5: Solve for x
   x = 11,166,810,615,343,160/77,062,243.50
6. Step 6: Final answer
   x = 144,906,378.38