Finding the Third Proportional to 69,359,290.88 and 150,928,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,359,290.88 : 150,928,609.50 = 150,928,609.50 : x
2. Step 2: Convert to fraction form
   69,359,290.88/150,928,609.50 = 150,928,609.50/x
3. Step 3: Cross multiply
   69,359,290.88x = 150,928,609.50 × 150,928,609.50
4. Step 4: Simplify right side
   69,359,290.88x = 22,779,445,165,603,492
5. Step 5: Solve for x
   x = 22,779,445,165,603,492/69,359,290.88
6. Step 6: Final answer
   x = 328,426,730.99