Finding the Third Proportional to 51,820,424 and 77,445,036

Step by Step Solution

1. Step 1: Write the proportion equation
   51,820,424 : 77,445,036 = 77,445,036 : x
2. Step 2: Convert to fraction form
   51,820,424/77,445,036 = 77,445,036/x
3. Step 3: Cross multiply
   51,820,424x = 77,445,036 × 77,445,036
4. Step 4: Simplify right side
   51,820,424x = 5,997,733,601,041,296
5. Step 5: Solve for x
   x = 5,997,733,601,041,296/51,820,424
6. Step 6: Final answer
   x = 115,740,728.04