Finding the Third Proportional to 56,739,528 and 89,859,456

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739,528 : 89,859,456 = 89,859,456 : x
2. Step 2: Convert to fraction form
   56,739,528/89,859,456 = 89,859,456/x
3. Step 3: Cross multiply
   56,739,528x = 89,859,456 × 89,859,456
4. Step 4: Simplify right side
   56,739,528x = 8,074,721,832,615,936
5. Step 5: Solve for x
   x = 8,074,721,832,615,936/56,739,528
6. Step 6: Final answer
   x = 142,312,107.93