Finding the Third Proportional to 12,081,199,416 and 28,478,746,068

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081,199,416 : 28,478,746,068 = 28,478,746,068 : x
2. Step 2: Convert to fraction form
   12,081,199,416/28,478,746,068 = 28,478,746,068/x
3. Step 3: Cross multiply
   12,081,199,416x = 28,478,746,068 × 28,478,746,068
4. Step 4: Simplify right side
   12,081,199,416x = 811,038,977,605,625,446,400
5. Step 5: Solve for x
   x = 811,038,977,605,625,446,400/12,081,199,416
6. Step 6: Final answer
   x = 67,132,322,684.08