Finding the Third Proportional to 655,931,597.63 and 1,005,820,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   655,931,597.63 : 1,005,820,780.50 = 1,005,820,780.50 : x
2. Step 2: Convert to fraction form
   655,931,597.63/1,005,820,780.50 = 1,005,820,780.50/x
3. Step 3: Cross multiply
   655,931,597.63x = 1,005,820,780.50 × 1,005,820,780.50
4. Step 4: Simplify right side
   655,931,597.63x = 1,011,675,442,485,629,184
5. Step 5: Solve for x
   x = 1,011,675,442,485,629,184/655,931,597.63
6. Step 6: Final answer
   x = 1,542,348,998.20