Finding the Third Proportional to 56,739,604 and 89,859,570

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739,604 : 89,859,570 = 89,859,570 : x
2. Step 2: Convert to fraction form
   56,739,604/89,859,570 = 89,859,570/x
3. Step 3: Cross multiply
   56,739,604x = 89,859,570 × 89,859,570
4. Step 4: Simplify right side
   56,739,604x = 8,074,742,320,584,900
5. Step 5: Solve for x
   x = 8,074,742,320,584,900/56,739,604
6. Step 6: Final answer
   x = 142,312,278.40