Finding the Third Proportional to 56,611,290 and 84,828,039

Step by Step Solution

1. Step 1: Write the proportion equation
   56,611,290 : 84,828,039 = 84,828,039 : x
2. Step 2: Convert to fraction form
   56,611,290/84,828,039 = 84,828,039/x
3. Step 3: Cross multiply
   56,611,290x = 84,828,039 × 84,828,039
4. Step 4: Simplify right side
   56,611,290x = 7,195,796,200,585,521
5. Step 5: Solve for x
   x = 7,195,796,200,585,521/56,611,290
6. Step 6: Final answer
   x = 127,108,854.09