Finding the Third Proportional to 56,855,112 and 81,030,060

Step by Step Solution

1. Step 1: Write the proportion equation
   56,855,112 : 81,030,060 = 81,030,060 : x
2. Step 2: Convert to fraction form
   56,855,112/81,030,060 = 81,030,060/x
3. Step 3: Cross multiply
   56,855,112x = 81,030,060 × 81,030,060
4. Step 4: Simplify right side
   56,855,112x = 6,565,870,623,603,600
5. Step 5: Solve for x
   x = 6,565,870,623,603,600/56,855,112
6. Step 6: Final answer
   x = 115,484,261.53