Finding the Third Proportional to 60,415,391 and 89,490,574

Step by Step Solution

1. Step 1: Write the proportion equation
   60,415,391 : 89,490,574 = 89,490,574 : x
2. Step 2: Convert to fraction form
   60,415,391/89,490,574 = 89,490,574/x
3. Step 3: Cross multiply
   60,415,391x = 89,490,574 × 89,490,574
4. Step 4: Simplify right side
   60,415,391x = 8,008,562,834,849,476
5. Step 5: Solve for x
   x = 8,008,562,834,849,476/60,415,391
6. Step 6: Final answer
   x = 132,558,321.68