Finding the Third Proportional to 56,739,576 and 89,859,528

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739,576 : 89,859,528 = 89,859,528 : x
2. Step 2: Convert to fraction form
   56,739,576/89,859,528 = 89,859,528/x
3. Step 3: Cross multiply
   56,739,576x = 89,859,528 × 89,859,528
4. Step 4: Simplify right side
   56,739,576x = 8,074,734,772,382,784
5. Step 5: Solve for x
   x = 8,074,734,772,382,784/56,739,576
6. Step 6: Final answer
   x = 142,312,215.59