Finding the Third Proportional to 56,739,600 and 89,859,564

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739,600 : 89,859,564 = 89,859,564 : x
2. Step 2: Convert to fraction form
   56,739,600/89,859,564 = 89,859,564/x
3. Step 3: Cross multiply
   56,739,600x = 89,859,564 × 89,859,564
4. Step 4: Simplify right side
   56,739,600x = 8,074,741,242,270,096
5. Step 5: Solve for x
   x = 8,074,741,242,270,096/56,739,600
6. Step 6: Final answer
   x = 142,312,269.43