Finding the Third Proportional to 28,919,952 and 42,271,632

Step by Step Solution

1. Step 1: Write the proportion equation
   28,919,952 : 42,271,632 = 42,271,632 : x
2. Step 2: Convert to fraction form
   28,919,952/42,271,632 = 42,271,632/x
3. Step 3: Cross multiply
   28,919,952x = 42,271,632 × 42,271,632
4. Step 4: Simplify right side
   28,919,952x = 1,786,890,871,943,424
5. Step 5: Solve for x
   x = 1,786,890,871,943,424/28,919,952
6. Step 6: Final answer
   x = 61,787,477.10