Finding the Third Proportional to 612,068,965.50 and 1,328,055,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,068,965.50 : 1,328,055,397.50 = 1,328,055,397.50 : x
2. Step 2: Convert to fraction form
   612,068,965.50/1,328,055,397.50 = 1,328,055,397.50/x
3. Step 3: Cross multiply
   612,068,965.50x = 1,328,055,397.50 × 1,328,055,397.50
4. Step 4: Simplify right side
   612,068,965.50x = 1,763,731,138,828,882,944
5. Step 5: Solve for x
   x = 1,763,731,138,828,882,944/612,068,965.50
6. Step 6: Final answer
   x = 2,881,588,902.96